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Bagaimana cara mengonversi utc timestamp ke datetime dengan python?

1 years ago
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Anda dapat menggunakan modul datetime untuk mengonversi datetime menjadi stempel waktu UTC dengan Python. If you already have the datetime object in UTC, you can the timestamp() to get a UTC timestamp. This function returns the time since epoch for that datetime object. If you have the datetime object in local timezone, first replace the timezone info and then fetch the time.  

Show

example

from datetime import timezone
dt = datetime(2015, 10, 19)
timestamp = dt.replace(tzinfo=timezone.utc).timestamp()
print(timestamp)

Output

This will give the output −

1445212800.0

If you're on Python 2, then you can use the total_seconds function to get the total seconds since epoch. And if you want to get rid of the timestamp, you can first subtract time from 1 Jan 1970.  

Converting unix timestamp string to readable date in python

Converting unix timestamp string to readable date in python is necessary while handling dates in python

Below are various ways to convert unix timestamp to readable date in python string format.  

We are using datetime module of python to convert unix timestamp to date strings.  

from datetime import datetime
ts = int("1584101485")

# Complete Date with time
print(datetime.utcfromtimestamp(ts).strftime('%Y-%m-%d %H:%M:%S'))


2020-03-13 12:11:25


# Date only
print(datetime.utcfromtimestamp(ts).strftime('%Y-%m-%d'))


2020-03-13


# Date in MM-DD-YYYY format
print(datetime.utcfromtimestamp(ts).strftime('%m-%d-%Y'))


03-13-2020


# Create a timestamp converter function
def datefromtimestamp(timestamp):
    date = datetime.utcfromtimestamp(timestamp).strftime('%m-%d-%Y')
    return date


print(datefromtimestamp(1584101485))


03-13-2020

Unix Timestamp? What is Unix time?

Unix time is the number of seconds that have passed since the epoch(A particular date in the past).  

The Unix epoch is  00. 00. 00 UTC on 1 January 1970

Seconds are counted from this date.   For example, in the above case we considered unix timestamp value as “1584101485”, and when we converted to string form human readable date we realized this unix timestamp corresponds to 13th March 2020.  

Unless you have a super computer brain, unix timestamps do not make much sense to humans. That is why we need to convert unix timestamp to human understandable format. We have shown above how it can be done very easily with a few lines of Python code.   Until next time, take care

While date and time arithmetic is supported, the focus of the implementation is on efficient attribute extraction for output formatting and manipulation

See also

Module

Fungsi terkait kalender umum

Module

Akses waktu dan konversi

Module

Zona waktu konkret yang mewakili basis data zona waktu IANA

Penggunaan tanggal paket

Pustaka pihak ketiga dengan zona waktu yang diperluas dan dukungan parsing

Objek Sadar dan Naif

Objek tanggal dan waktu dapat dikategorikan sebagai "sadar" atau "naif" bergantung pada apakah mereka menyertakan informasi zona waktu atau tidak

Dengan pengetahuan yang memadai tentang penyesuaian waktu algoritmik dan politik yang berlaku, seperti zona waktu dan informasi waktu musim panas, objek sadar dapat menempatkan dirinya relatif terhadap objek sadar lainnya. Objek sadar mewakili momen tertentu dalam waktu yang tidak terbuka untuk interpretasi.

Objek naif tidak berisi informasi yang cukup untuk menempatkan dirinya secara jelas relatif terhadap objek tanggal/waktu lainnya. Apakah objek naif mewakili Coordinated Universal Time (UTC), waktu lokal, atau waktu di beberapa zona waktu lain murni tergantung pada program, sama seperti program apakah angka tertentu mewakili meter, mil, atau massa. Objek naif mudah dipahami dan dikerjakan, dengan mengorbankan beberapa aspek realitas

Untuk aplikasi yang membutuhkan objek sadar, dan objek memiliki atribut informasi zona waktu opsional, 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
4, yang dapat disetel ke turunan subkelas dari kelas abstrak. Objek ini menangkap informasi tentang offset dari waktu UTC, nama zona waktu, dan apakah waktu musim panas berlaku

Hanya satu kelas konkret, yaitu kelas, yang disediakan oleh modul. Kelas dapat mewakili zona waktu sederhana dengan offset tetap dari UTC, seperti UTC sendiri atau zona waktu EST dan EDT Amerika Utara. Mendukung zona waktu pada tingkat detail yang lebih dalam tergantung pada aplikasinya. Aturan penyesuaian waktu di seluruh dunia lebih politis daripada rasional, sering berubah, dan tidak ada standar yang cocok untuk setiap aplikasi selain UTC

Konstanta

Modul mengekspor konstanta berikut

waktu. MINYEAR

The smallest year number allowed in a or object. is 

>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
5

datetime. MAXYEAR

The largest year number allowed in a or object. is 

>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
9

datetime. UTC

Alias for the UTC timezone singleton

New in version 3. 11

Available Types

class datetime. date

An idealized naive date, assuming the current Gregorian calendar always was, and always will be, in effect. Attributes. , , and

class datetime. time

An idealized time, independent of any particular day, assuming that every day has exactly 24*60*60 seconds. (There is no notion of “leap seconds” here. ) Attributes. , , , , and

class datetime. datetime

A combination of a date and a time. Attributes. , , , , , , , and

class datetime. timedelta

A duration expressing the difference between two , , or instances to microsecond resolution

class datetime. tzinfo

An abstract base class for time zone information objects. These are used by the and classes to provide a customizable notion of time adjustment (for example, to account for time zone and/or daylight saving time)

class datetime. timezone

A class that implements the abstract base class as a fixed offset from the UTC

New in version 3. 2

Objects of these types are immutable

Subclass relationships

object
    timedelta
    tzinfo
        timezone
    time
    date
        datetime

Common Properties

The , , , and types share these common features

  • Objects of these types are immutable

  • Objects of these types are hashable, meaning that they can be used as dictionary keys

  • Objects of these types support efficient pickling via the module

Determining if an Object is Aware or Naive

Objects of the type are always naive

An object of type or may be aware or naive

A object d is aware if both of the following hold

  1. >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    02 is not 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

  2. >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    04 does not return 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

Kalau tidak, d naif

Objek t sadar jika kedua hal berikut berlaku

  1. >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    07 bukan 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

  2. >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    09 tidak kembali 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

Kalau tidak, itu naif

Perbedaan antara sadar dan naif tidak berlaku untuk objek

Objek

Objek mewakili durasi, perbedaan antara dua tanggal atau waktu

kelas tanggal waktu. timedelta(hari=0, seconds=0, microseconds=0, milliseconds=0, minutes=0, hours=0, weeks=0)

Semua argumen bersifat opsional dan default ke 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
14. Arguments may be integers or floats, and may be positive or negative

Hanya hari, detik, dan mikrodetik yang disimpan secara internal. Argumen dikonversi ke unit tersebut

  • Satu milidetik diubah menjadi 1000 mikrodetik

  • Satu menit diubah menjadi 60 detik

  • Satu jam diubah menjadi 3600 detik

  • Seminggu diubah menjadi 7 hari

dan hari, detik, dan mikrodetik kemudian dinormalisasi sehingga representasi menjadi unik, dengan

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _15

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    16 (jumlah detik dalam satu hari)

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _17

Contoh berikut mengilustrasikan bagaimana argumen apa pun selain hari, detik, dan mikrodetik "digabungkan" dan dinormalisasi menjadi tiga atribut hasil tersebut

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)

Jika ada argumen yang merupakan pelampung dan ada mikrodetik pecahan, mikrodetik pecahan yang tersisa dari semua argumen digabungkan dan jumlahnya dibulatkan ke mikrodetik terdekat menggunakan tiebreak putaran-setengah-ke-genap. Jika tidak ada argumen yang mengambang, proses konversi dan normalisasi tepat (tidak ada informasi yang hilang)

Jika nilai hari yang dinormalisasi berada di luar rentang yang ditunjukkan, dinaikkan

Perhatikan bahwa normalisasi nilai negatif mungkin mengejutkan pada awalnya. Sebagai contoh

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)

Atribut kelas

delta waktu. mnt

Objek paling negatif, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
20

delta waktu. maks

Objek paling positif, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_22

delta waktu. resolusi

Perbedaan sekecil mungkin antara objek yang tidak sama, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
24

Perhatikan bahwa, karena normalisasi, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
25 > 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
26. 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
27 tidak dapat direpresentasikan sebagai objek

Atribut instance (hanya baca)

Atribut

Nilai

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_29

Antara -999999999 dan 999999999 inklusif

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_30

Antara 0 dan 86399 inklusif

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_31

Antara 0 dan 999999 inklusif

Operasi yang didukung

Operasi

Hasil

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_32

Jumlah t2 dan t3. Setelah itu t1-t2 == t3 dan t1-t3 == t2 benar. (1)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_33

Selisih t2 dan t3. Setelah itu t1 == t2 - t3 dan t2 == t1 + t3 benar. (1)(6)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_34

Delta dikalikan dengan bilangan bulat. Setelah itu t1 // i == t2 benar, asalkan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
35

Secara umum, t1 * i == t1 * (i-1) + t1 benar. (1)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_36

Delta dikalikan dengan pelampung. Hasilnya dibulatkan ke kelipatan timedelta terdekat. resolusi menggunakan putaran-setengah-ke-genap

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_37

Pembagian (3) durasi keseluruhan t2 dengan satuan interval t3. Mengembalikan objek

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_39

Delta dibagi dengan float atau int. Hasilnya dibulatkan ke kelipatan timedelta terdekat. resolusi menggunakan putaran-setengah-ke-genap

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
40 atau 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
41

Lantai dihitung dan sisanya (jika ada) dibuang. Dalam kasus kedua, bilangan bulat dikembalikan. (3)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_42

Sisanya dihitung sebagai objek. (3)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_44

Menghitung hasil bagi dan sisanya. 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
45 (3) dan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
46. q adalah bilangan bulat dan r adalah objek

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_48

Mengembalikan objek dengan nilai yang sama. (2)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
50

setara dengan (-t1. hari, -t1. detik, -t1. mikrodetik), dan ke t1* -1. (1)(4)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_52

setara dengan +t saat 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_53, dan ke -t saat 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
54. (2)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_55

Mengembalikan string dalam bentuk 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_56, dengan D negatif untuk negatif 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
57. (5)

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_58

Mengembalikan representasi string dari objek sebagai panggilan konstruktor dengan nilai atribut kanonis

Catatan

  1. Ini tepat tetapi mungkin meluap

  2. Ini tepat dan tidak bisa meluap

  3. Pembagian dengan 0 menimbulkan

  4. -timedelta. max tidak dapat direpresentasikan sebagai objek

  5. Representasi string objek dinormalisasi serupa dengan representasi internalnya. Hal ini menyebabkan hasil yang agak tidak biasa untuk timedelta negatif. Sebagai contoh

    >>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00

  6. Ekspresi 

    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _63 akan selalu sama dengan ekspresi 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    64 kecuali jika t3 sama dengan 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    25;

Selain operasi yang tercantum di atas, objek mendukung penambahan dan pengurangan tertentu dengan objek dan (lihat di bawah)

Berubah di versi 3. 2. Pembagian lantai dan pembagian sebenarnya dari suatu objek oleh objek lain sekarang didukung, seperti operasi sisa dan fungsinya. Pembagian dan perkalian sebenarnya dari suatu objek dengan objek sekarang didukung.

Perbandingan objek didukung, dengan beberapa peringatan

Perbandingan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
75 atau 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
76 selalu mengembalikan a , apa pun jenis objek yang dibandingkan

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False

Untuk semua perbandingan lainnya (seperti 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
78 dan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
79), ketika suatu objek dibandingkan dengan objek dari jenis yang berbeda, dinaikkan

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'

Dalam konteks Boolean, sebuah objek dianggap benar jika dan hanya jika tidak sama dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
83

Metode instan

delta waktu. total_detik()

Mengembalikan jumlah total detik yang terkandung dalam durasi. Setara dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_84. Untuk satuan interval selain detik, gunakan bentuk pembagian secara langsung (mis. g. 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_85)

Perhatikan bahwa untuk interval waktu yang sangat lama (lebih dari 270 tahun pada sebagian besar platform) metode ini akan kehilangan akurasi mikrodetik

New in version 3. 2

Contoh penggunaan.

Contoh tambahan normalisasi

>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0

Contoh aritmatika

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)

Objek

Objek mewakili tanggal (tahun, bulan, dan hari) dalam kalender ideal, kalender Gregorian saat ini diperpanjang tanpa batas waktu di kedua arah

1 Januari tahun 1 disebut hari nomor 1, 2 Januari tahun 1 disebut hari nomor 2, dan seterusnya.

kelas tanggal waktu. tanggal(tahun , bulan, day)

Semua argumen diperlukan. Argumen harus berupa bilangan bulat, dalam rentang berikut

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _90

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _91

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _92

Jika argumen di luar rentang tersebut diberikan, akan dimunculkan

Konstruktor lain, semua metode kelas

metode kelas tanggal. hari ini()

Mengembalikan tanggal lokal saat ini

Ini setara dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_94

metode kelas tanggal. fromtimestamp(timestamp)

Kembalikan tanggal lokal yang sesuai dengan stempel waktu POSIX, seperti yang dikembalikan oleh

Hal ini dapat meningkat, jika stempel waktu berada di luar rentang nilai yang didukung oleh fungsi platform C 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97, dan pada kegagalan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97. Ini umum untuk dibatasi pada tahun dari tahun 1970 hingga 2038. Perhatikan bahwa pada sistem non-POSIX yang menyertakan detik kabisat dalam gagasannya tentang stempel waktu, detik kabisat diabaikan oleh

Berubah di versi 3. 3. Naikkan alih-alih jika stempel waktu berada di luar rentang nilai yang didukung oleh fungsi platform C 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97. Naikkan alih-alih pada 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_97 kegagalan.

metode kelas tanggal. dariordinal(ordinal)

Return the date corresponding to the proleptic Gregorian ordinal, where January 1 of year 1 has ordinal 1

dinaikkan kecuali 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_08. Untuk setiap tanggal d, 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_09

metode kelas tanggal. fromisoformat(date_string)

Kembalikan yang sesuai dengan date_string yang diberikan dalam format ISO 8601 yang valid, kecuali tanggal ordinal (mis. g. 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_11)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)

Baru di versi 3. 7

Berubah di versi 3. 11. Sebelumnya, metode ini hanya mendukung format 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
12.

metode kelas tanggal. dari isocalendar(tahun , minggu, day)

Kembalikan yang sesuai dengan tanggal kalender ISO yang ditentukan berdasarkan tahun, minggu, dan hari. Ini adalah kebalikan dari fungsi

Baru di versi 3. 8

Atribut kelas

kencan. mnt

Tanggal paling awal yang dapat diwakili, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_15

kencan. maks

Tanggal terbaru yang dapat diwakili, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_16

kencan. resolusi

Perbedaan sekecil mungkin antara objek tanggal yang tidak sama, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
17

Atribut instance (hanya baca)

kencan. tahun

Antara dan inklusif

kencan. bulan

Antara 1 dan 12 inklusif

kencan. hari

Antara 1 dan jumlah hari dalam bulan tertentu pada tahun tertentu

Operasi yang didukung

Operasi

Hasil

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
20

tanggal2 akan menjadi 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_21 hari setelah tanggal1. (1)

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
22

Hitung tanggal2 sehingga 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
23. (2)

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_24

(3)

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_25

date1 dianggap kurang dari date2 saat date1 mendahului date2 dalam waktu. (4)

Catatan

  1. date2 dimajukan dalam waktu jika 

    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    26, atau mundur jika 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    27. Setelah itu 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _28. 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    29 dan 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    30 diabaikan. dinaikkan jika 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    32 akan lebih kecil dari atau lebih besar dari

  2. >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    29 dan 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    30 diabaikan

  3. Ini tepat, dan tidak bisa meluap. timedelta. detik dan delta waktu. mikrodetik adalah 0, dan tanggal2 + timedelta == tanggal1 setelahnya

  4. Dengan kata lain, 

    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _25 jika dan hanya jika 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    38. Perbandingan tanggal muncul jika perbandingan lainnya juga bukan objek. Namun, 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _41 dikembalikan sebagai gantinya jika pembanding lainnya memiliki atribut 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    42. Pengait ini memberi kesempatan pada objek tanggal jenis lain untuk mengimplementasikan perbandingan tipe campuran. Jika tidak, ketika suatu objek dibandingkan dengan objek dari jenis yang berbeda, dimunculkan kecuali perbandingannya adalah 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    75 atau 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    76. Kasus terakhir kembali atau , masing-masing

Dalam konteks Boolean, semua objek dianggap benar

Metode instan

kencan. ganti(tahun=diri. tahun , bulan=diri. bulan , hari=diri. hari)

Kembalikan tanggal dengan nilai yang sama, kecuali untuk parameter yang diberi nilai baru dengan argumen kata kunci mana pun yang ditentukan

Contoh

>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)

kencan. jadwal()

Kembalikan seperti yang dikembalikan oleh

Jam, menit, dan detik adalah 0, dan bendera DST adalah -1

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
52 setara dengan

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
0

di mana 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_53 adalah nomor hari dalam tahun berjalan dimulai dengan 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
5 untuk tanggal 1 Januari

kencan. toordinal()

Return the proleptic Gregorian ordinal of the date, where January 1 of year 1 has ordinal 1. Untuk setiap objek d, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_09

kencan. hari kerja()

Mengembalikan hari dalam seminggu sebagai bilangan bulat, di mana Senin adalah 0 dan Minggu adalah 6. Misalnya, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_57, hari Rabu. Lihat juga

kencan. hari kerja iso()

Mengembalikan hari dalam seminggu sebagai bilangan bulat, di mana Senin adalah 1 dan Minggu adalah 7. Misalnya, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_59, hari Rabu. Lihat juga ,

kencan. isokalendar()

Mengembalikan objek dengan tiga komponen. 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
1, 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
63 dan 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
64

Kalender ISO adalah varian kalender Gregorian yang banyak digunakan.

Tahun ISO terdiri dari 52 atau 53 minggu penuh, dan satu minggu dimulai pada hari Senin dan berakhir pada hari Minggu. Minggu pertama tahun ISO adalah minggu kalender pertama (Gregorian) dalam setahun yang berisi hari Kamis. Ini disebut minggu nomor 1, dan tahun ISO pada hari Kamis itu sama dengan tahun Gregoriannya

Misalnya tahun 2004 dimulai pada hari Kamis, maka minggu pertama ISO tahun 2004 dimulai pada hari Senin, 29 Des 2003 dan berakhir pada hari Minggu, 4 Jan 2004

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
1

Berubah di versi 3. 9. Hasil diubah dari tuple menjadi a.

kencan. isoformat()

Kembalikan string yang mewakili tanggal dalam format ISO 8601, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
12

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
2

kencan. __str__()

Untuk tanggal d, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_66 setara dengan 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
67

kencan. waktu()

Kembalikan string yang mewakili tanggal

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_3

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
68 setara dengan

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
4

pada platform di mana fungsi C 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_69 asli (yang memanggil, tetapi yang tidak memanggil) sesuai dengan standar C

kencan. strftime(format)

Kembalikan string yang mewakili tanggal, dikontrol oleh string format eksplisit. Kode format yang mengacu pada jam, menit, atau detik akan melihat nilai 0. Untuk daftar lengkap arahan pemformatan, lihat

kencan. __format__(format)

Sama dengan. Ini memungkinkan untuk menentukan string format untuk objek di dalam dan saat menggunakan. Untuk daftar lengkap arahan pemformatan, lihat

Contoh Penggunaan.

Contoh menghitung hari untuk suatu acara

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
5

Lebih banyak contoh bekerja dengan

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
6

Objek

Objek adalah objek tunggal yang berisi semua informasi dari objek dan objek

Seperti objek, asumsikan kalender Gregorian saat ini diperpanjang di kedua arah;

Konstruktor

kelas tanggal waktu. tanggal waktu(tahun , bulan, day, hour=0, minute=0, second=0, microsecond=0, tzinfo=None, *, fold=0)

Argumen tahun, bulan dan hari diperlukan. tzinfo mungkin 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03, atau turunan dari subkelas. Argumen yang tersisa harus berupa bilangan bulat dalam rentang berikut

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _90,

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _91,

  • >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    _92,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _90,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _91,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _92,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _93,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _94

Jika argumen di luar rentang tersebut diberikan, akan dimunculkan

Baru di versi 3. 6. Menambahkan 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
96 argumen.

Konstruktor lain, semua metode kelas

metode kelas tanggal waktu. hari ini()

Kembalikan waktu lokal saat ini, dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03

Setara dengan

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
7

Lihat juga ,

Metode ini secara fungsional setara dengan , tetapi tanpa parameter 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
02

classmethod datetime. sekarang(tz=Tidak ada)

Mengembalikan tanggal dan waktu lokal saat ini

Jika argumen opsional tz adalah 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03 atau tidak ditentukan, ini seperti , tetapi, jika mungkin, memberikan lebih banyak presisi daripada yang dapat diperoleh dari melalui stempel waktu (misalnya, ini dimungkinkan pada platform yang memasok fungsi C 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
06)

Jika tz bukan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, itu harus merupakan turunan dari subkelas, dan tanggal dan waktu saat ini dikonversi ke zona waktu tz

Fungsi ini lebih disukai daripada dan

metode kelas tanggal waktu. utcnow()

Kembalikan tanggal dan waktu UTC saat ini, dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03

Ini seperti , tetapi mengembalikan tanggal dan waktu UTC saat ini, sebagai objek yang naif. Tanggal waktu UTC yang diketahui saat ini dapat diperoleh dengan menelepon 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
15. Lihat juga

Peringatan

Karena objek 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 yang naif diperlakukan oleh banyak metode 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 sebagai waktu lokal, lebih disukai menggunakan waktu yang diketahui untuk mewakili waktu dalam UTC. Dengan demikian, cara yang disarankan untuk membuat objek yang mewakili waktu saat ini di UTC adalah dengan memanggil 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
15

metode kelas tanggal waktu. fromtimestamp(timestamp , tz=None)

Kembalikan tanggal dan waktu lokal yang sesuai dengan stempel waktu POSIX, seperti dikembalikan oleh. Jika argumen opsional tz adalah 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03 atau tidak ditentukan, stempel waktu diubah menjadi tanggal dan waktu lokal platform, dan objek yang dikembalikan naif

Jika tz bukan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, itu harus merupakan turunan dari subkelas, dan stempel waktu diubah menjadi zona waktu tz

dapat menaikkan , jika stempel waktu berada di luar rentang nilai yang didukung oleh platform C 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97 atau 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28 fungsi, dan pada 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97 atau 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28 kegagalan. Biasanya hal ini dibatasi pada tahun 1970 hingga 2038. Perhatikan bahwa pada sistem non-POSIX yang menyertakan detik kabisat dalam gagasannya tentang stempel waktu, detik kabisat diabaikan oleh , dan kemudian dimungkinkan untuk memiliki dua stempel waktu yang berbeda satu detik yang menghasilkan objek yang identik. Metode ini lebih disukai

Berubah di versi 3. 3. Naikkan alih-alih jika stempel waktu berada di luar rentang nilai yang didukung oleh platform C 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
97 atau 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28 fungsi. Menaikkan bukan pada 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_97 atau 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28 kegagalan.

Berubah di versi 3. 6. dapat mengembalikan instance dengan set ke 1.

metode kelas tanggal waktu. utcfromtimestamp(timestamp)

Kembalikan UTC yang sesuai dengan stempel waktu POSIX, dengan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03. (Objek yang dihasilkan naif. )

Ini dapat meningkat, jika stempel waktu berada di luar rentang nilai yang didukung oleh fungsi platform C 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28, dan pada kegagalan 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28. Biasanya hal ini dibatasi pada tahun 1970 hingga 2038

Untuk mendapatkan objek sadar, panggil

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
8

Pada platform yang sesuai dengan POSIX, ini setara dengan ekspresi berikut

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_9

kecuali formula terakhir selalu mendukung rentang tahun penuh. antara dan inklusif

Peringatan

Karena objek 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 yang naif diperlakukan oleh banyak metode 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 sebagai waktu lokal, lebih disukai menggunakan waktu yang diketahui untuk mewakili waktu dalam UTC. Dengan demikian, cara yang disarankan untuk membuat objek yang mewakili stempel waktu tertentu di UTC adalah dengan memanggil 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
58

Berubah di versi 3. 3. Angkat alih-alih jika stempel waktu berada di luar rentang nilai yang didukung oleh fungsi platform C 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
28. Naikkan bukan pada 
>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_28 kegagalan.

metode kelas tanggal waktu. dariordinal(ordinal)

Kembalikan yang sesuai dengan ordinal Gregorian proleptik, di mana 1 Januari tahun 1 memiliki ordinal 1. dinaikkan kecuali ________60______67. Jam, menit, detik, dan mikrodetik hasilnya semuanya 0, dan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03

metode kelas tanggal waktu. gabungkan(tanggal , waktu . tzinfo, tzinfo=self.tzinfo)

Mengembalikan objek baru yang komponen tanggalnya sama dengan objek yang diberikan, dan komponen waktunya sama dengan objek yang diberikan. Jika argumen tzinfo disediakan, nilainya digunakan untuk mengatur atribut hasil, jika tidak, atribut argumen waktu digunakan

Untuk setiap objek d, 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
76. Jika tanggal adalah objek, komponen waktu dan atributnya diabaikan

Berubah di versi 3. 6. Menambahkan argumen tzinfo.

metode kelas tanggal waktu. fromisoformat(date_string)

Kembalikan yang sesuai dengan date_string dalam format ISO 8601 yang valid, dengan pengecualian berikut

  1. Offset zona waktu mungkin memiliki pecahan detik

  2. Pemisah ________60______80 dapat diganti dengan karakter unicode tunggal apa pun

  3. Tanggal ordinal saat ini tidak didukung

  4. Pecahan jam dan menit tidak didukung

Contoh

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
0

Baru di versi 3. 7

Berubah di versi 3. 11. Sebelumnya, metode ini hanya mendukung format yang dapat dipancarkan oleh atau.

classmethod datetime. dari isocalendar(tahun , minggu, day)

Kembalikan yang sesuai dengan tanggal kalender ISO yang ditentukan berdasarkan tahun, minggu, dan hari. Komponen non-tanggal dari datetime diisi dengan nilai default normalnya. Ini adalah kebalikan dari fungsi

Baru di versi 3. 8

metode kelas tanggal waktu. strptime(date_string , format)

Kembalikan yang sesuai dengan date_string, diurai menurut format

Ini setara dengan

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
1

dimunculkan jika date_string dan format tidak dapat diuraikan oleh atau jika mengembalikan nilai yang bukan time tuple. Untuk daftar lengkap arahan pemformatan, lihat

Atribut kelas

waktu. mnt

Terwakili paling awal, ________60______89

waktu. maks

Perwakilan terbaru, 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
91

waktu. resolusi

Perbedaan sekecil mungkin antara objek yang tidak sama, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
24

Atribut instance (hanya baca)

waktu. tahun

Antara dan inklusif

waktu. bulan

Antara 1 dan 12 inklusif

waktu. hari

Antara 1 dan jumlah hari dalam bulan tertentu pada tahun tertentu

waktu. jam

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_96

waktu. menit

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_97

waktu. detik

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_97

waktu. mikrodetik

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_99

waktu. tzinfo

Objek diteruskan sebagai argumen tzinfo ke konstruktor, atau 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 jika tidak ada yang diteruskan

waktu. lipat

Di 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_02. Digunakan untuk membedakan waktu dinding selama interval berulang. (Interval berulang terjadi saat jam diputar mundur di penghujung waktu musim panas atau saat offset UTC untuk zona saat ini dikurangi karena alasan politik. ) Nilai 0 (1) mewakili dua momen awal (kemudian) dengan representasi waktu dinding yang sama

Baru di versi 3. 6

Operasi yang didukung

Operasi

Hasil

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_03

(1)

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_04

(2)

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_05

(3)

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_06

Dibandingkan dengan. (4)

  1. datetime2 adalah durasi timedelta dihapus dari datetime1, bergerak maju dalam waktu jika 

    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    21 > 0, atau mundur jika 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    21 < 0. Hasilnya memiliki atribut yang sama dengan input datetime, dan datetime2 - datetime1 == timedelta after. dinaikkan jika datetime2. tahun akan lebih kecil dari atau lebih besar dari. Perhatikan bahwa tidak ada penyesuaian zona waktu yang dilakukan meskipun inputnya adalah objek sadar

  2. Menghitung datetime2 sehingga datetime2 + timedelta == datetime1. Sebagai tambahan, hasilnya memiliki atribut yang sama dengan input datetime, dan tidak ada penyesuaian zona waktu yang dilakukan meskipun inputnya aware

  3. Pengurangan a dari a didefinisikan hanya jika kedua operan naif, atau jika keduanya sadar. Jika yang satu sadar dan yang lain naif, diangkat

    Jika keduanya naif, atau keduanya sadar dan memiliki atribut yang sama, atribut diabaikan, dan hasilnya adalah objek t sehingga 

    >>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
    22. Tidak ada penyesuaian zona waktu yang dilakukan dalam kasus ini

    Jika keduanya sadar dan memiliki atribut yang berbeda, ________ 66 _______ 24 bertindak seolah-olah a dan b pertama kali dikonversi ke waktu waktu UTC yang naif terlebih dahulu. Hasilnya adalah 

    >>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
    25 kecuali implementasinya tidak pernah meluap

  4. datetime1 dianggap kurang dari datetime2 saat datetime1 mendahului datetime2 dalam waktu

    Jika satu pembanding naif dan yang lain sadar, dimunculkan jika perbandingan pesanan dicoba. Untuk perbandingan kesetaraan, contoh naif tidak pernah sama dengan contoh sadar

    Jika kedua comparand sadar, dan memiliki atribut yang sama, atribut umum diabaikan dan waktu dasar dibandingkan. Jika kedua komparand sadar dan memiliki atribut yang berbeda, komparand disesuaikan terlebih dahulu dengan mengurangkan offset UTC-nya (diperoleh dari 

    >>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
    30)

    Berubah di versi 3. 3. Perbandingan kesetaraan antara kejadian sadar dan naif tidak meningkat.

    Catatan

    Untuk menghentikan perbandingan agar tidak jatuh kembali ke skema default untuk membandingkan alamat objek, perbandingan tanggal dan waktu biasanya muncul jika perbandingan lain juga bukan objek. Namun, 

    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _41 dikembalikan sebagai gantinya jika pembanding lainnya memiliki atribut 
    >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    42. Pengait ini memberi kesempatan pada objek tanggal jenis lain untuk mengimplementasikan perbandingan tipe campuran. Jika tidak, ketika suatu objek dibandingkan dengan objek dari jenis yang berbeda, dimunculkan kecuali perbandingannya adalah 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    75 atau 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    76. Kasus terakhir kembali atau , masing-masing

Metode instan

waktu. tanggal()

Mengembalikan objek dengan tahun, bulan, dan hari yang sama

waktu. waktu()

Kembalikan objek dengan jam, menit, detik, mikrodetik, dan lipat yang sama. adalah 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03. Lihat juga metode

Berubah di versi 3. 6. Nilai lipatan disalin ke objek yang dikembalikan.

waktu. timetz()

Kembalikan objek dengan atribut jam, menit, detik, mikrodetik, lipat, dan tzinfo yang sama. Lihat juga metode

Berubah di versi 3. 6. Nilai lipatan disalin ke objek yang dikembalikan.

waktu. ganti(tahun=diri. tahun , bulan=diri. bulan , hari=diri. hari , jam=diri. jam , menit=diri. menit , detik=diri. detik , mikrodetik=diri. mikrodetik , tzinfo=self. tzinfo , * , lipat=0)

Kembalikan datetime dengan atribut yang sama, kecuali untuk atribut yang diberi nilai baru dengan argumen kata kunci mana pun yang ditentukan. Perhatikan bahwa 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_52 dapat ditentukan untuk membuat datetime naif dari datetime sadar tanpa konversi data tanggal dan waktu

Baru di versi 3. 6. Menambahkan 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
96 argumen.

waktu. astimezone(tz=Tidak ada)

Mengembalikan objek dengan atribut baru tz, sesuaikan data tanggal dan waktu sehingga hasilnya waktu UTC sama dengan diri sendiri, tetapi dalam waktu lokal tz

Jika disediakan, tz harus merupakan turunan dari subkelas, dan metode dan tidak boleh mengembalikan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03. Jika diri naif, dianggap mewakili waktu dalam zona waktu sistem

Jika dipanggil tanpa argumen (atau dengan 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_60) zona waktu lokal sistem diasumsikan untuk zona waktu target. Atribut 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_61 dari instance datetime yang dikonversi akan disetel ke instance dengan nama zona dan offset yang diperoleh dari OS

Jika 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_63 adalah tz, 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
64 sama dengan diri. tidak ada penyesuaian data tanggal atau waktu yang dilakukan. Kalau tidak, hasilnya adalah waktu lokal di zona waktu tz, mewakili waktu UTC yang sama dengan diri sendiri. setelah 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_65, 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
66 akan memiliki data tanggal dan waktu yang sama dengan 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
67

Jika Anda hanya ingin melampirkan objek zona waktu tz ke datetime dt tanpa penyesuaian data tanggal dan waktu, gunakan 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
68. Jika Anda hanya ingin menghapus objek zona waktu dari datetime dt yang diketahui tanpa konversi data tanggal dan waktu, gunakan 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
69

Perhatikan bahwa metode default dapat diganti dalam subkelas untuk memengaruhi hasil yang dikembalikan oleh. Mengabaikan kasus kesalahan, bertindak seperti

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
2

Berubah di versi 3. 3. tz sekarang dapat dihilangkan.

Berubah di versi 3. 6. Metode sekarang dapat dipanggil pada instance naif yang dianggap mewakili waktu lokal sistem.

waktu. utcoffset()

Jika 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, yang lain mengembalikan 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
78, dan memunculkan pengecualian jika yang terakhir tidak mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 atau objek dengan besaran kurang dari satu hari

Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

waktu. dst()

Jika 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, yang lain mengembalikan 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
84, dan memunculkan pengecualian jika yang terakhir tidak mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 atau objek dengan besaran kurang dari satu hari

Berubah di versi 3. 7. Offset DST tidak terbatas pada jumlah menit penuh.

waktu. tzname()

Jika 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, yang lain mengembalikan 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
90, memunculkan pengecualian jika yang terakhir tidak mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 atau objek string,

waktu. jadwal()

Kembalikan seperti yang dikembalikan oleh

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
52 setara dengan

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
3

di mana 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_53 adalah nomor hari dalam tahun berjalan dimulai dengan 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
5 untuk tanggal 1 Januari. Bendera 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_97 dari hasil diatur sesuai dengan metode. adalah 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03 atau mengembalikan 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
97 diatur ke 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
04;

waktu. utctimetuple()

Jika contoh d naif, ini sama dengan 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
52 kecuali bahwa 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
97 dipaksa ke 0 terlepas dari apa 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
13 kembali. DST tidak pernah berlaku untuk waktu UTC

Jika d diketahui, d dinormalisasi ke waktu UTC, dengan mengurangkan 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
14, dan a untuk waktu yang dinormalisasi dikembalikan. 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_97 dipaksa untuk 0. Perhatikan bahwa an dapat dinaikkan jika d. tahun adalah 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
4 atau 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
8 dan penyesuaian UTC melampaui batas tahun

Peringatan

Karena objek 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 yang naif diperlakukan oleh banyak metode 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 sebagai waktu lokal, lebih disukai menggunakan waktu yang diketahui untuk mewakili waktu dalam UTC; . Jika Anda memiliki 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
7 naif yang mewakili UTC, gunakan 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
24 untuk membuatnya sadar, pada titik mana Anda dapat menggunakan

waktu. toordinal()

Kembalikan ordinal Gregorian proleptik dari tanggal tersebut. Sama seperti 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_26

waktu. stempel waktu()

Kembalikan stempel waktu POSIX yang sesuai dengan instance. Nilai yang dikembalikan mirip dengan yang dikembalikan oleh

Contoh naif diasumsikan mewakili waktu lokal dan metode ini bergantung pada fungsi platform C 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
31 untuk melakukan konversi. Karena mendukung rentang nilai yang lebih luas daripada 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_31 pada banyak platform, metode ini dapat meningkatkan waktu jauh di masa lalu atau jauh di masa depan

Untuk instance sadar, nilai pengembalian dihitung sebagai

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
4

Baru di versi 3. 3

Berubah di versi 3. 6. Metode ini menggunakan atribut untuk membedakan waktu selama interval berulang.

Catatan

Tidak ada metode untuk mendapatkan stempel waktu POSIX langsung dari instance naif yang mewakili waktu UTC. Jika aplikasi Anda menggunakan konvensi ini dan zona waktu sistem Anda tidak disetel ke UTC, Anda dapat memperoleh stempel waktu POSIX dengan menyediakan 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
39

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
5

atau dengan menghitung stempel waktu secara langsung

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
6

waktu. hari kerja()

Mengembalikan hari dalam seminggu sebagai bilangan bulat, di mana Senin adalah 0 dan Minggu adalah 6. Sama seperti 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_40. Lihat juga

waktu. hari kerja iso()

Mengembalikan hari dalam seminggu sebagai bilangan bulat, di mana Senin adalah 1 dan Minggu adalah 7. Sama seperti 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_42. Lihat juga ,

waktu. isokalendar()

Kembalikan a dengan tiga komponen. 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
1, 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
63 dan 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
64. Sama seperti 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_48

waktu. isoformat(sep=', timespec='auto')

Kembalikan string yang mewakili tanggal dan waktu dalam format ISO 8601

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _49, jika bukan 0

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _51, jika 0

Jika tidak mengembalikan 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, sebuah string ditambahkan, memberikan offset UTC

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _55, jika bukan 0

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _57, jika 0

Contoh

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
7

Argumen opsional sep (default 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_59) adalah pemisah satu karakter, ditempatkan di antara bagian tanggal dan waktu dari hasil. Sebagai contoh

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
8

Argumen timespec opsional menentukan jumlah komponen tambahan waktu untuk disertakan (defaultnya adalah 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
60). Itu bisa menjadi salah satu dari yang berikut

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _60. Sama seperti 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _62 jika 0, sama seperti 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    64 jika tidak

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _65. Sertakan dalam format ________11______67 dua digit

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _68. Sertakan dan dalam format 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _71

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _62. Sertakan , , dan dalam format ________11______76

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _77. Sertakan waktu penuh, tetapi potong bagian kedua pecahan menjadi milidetik. 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _78

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _64. Sertakan purna waktu dalam format ________11______80

Catatan

Komponen waktu yang dikecualikan dipotong, bukan dibulatkan

akan dimunculkan pada argumen timespec yang tidak valid

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_9

Baru di versi 3. 6. Menambahkan argumen timespec.

waktu. __str__()

Misalnya d, 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_66 setara dengan 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
84

waktu. waktu()

Kembalikan string yang mewakili tanggal dan waktu

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
0

String keluaran tidak akan menyertakan informasi zona waktu, terlepas dari apakah masukannya sadar atau naif

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
68 setara dengan

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
4

pada platform di mana fungsi C 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
_69 asli (yang memanggil, tetapi yang tidak memanggil) sesuai dengan standar C

waktu. strftime(format)

Kembalikan string yang mewakili tanggal dan waktu, dikontrol oleh string format eksplisit. Untuk daftar lengkap arahan pemformatan, lihat

waktu. __format__(format)

Sama dengan. Ini memungkinkan untuk menentukan string format untuk objek di dalam dan saat menggunakan. Untuk daftar lengkap arahan pemformatan, lihat

Contoh Penggunaan.

Contoh bekerja dengan objek

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_2

Contoh di bawah menentukan subkelas yang menangkap informasi zona waktu untuk Kabul, Afghanistan, yang menggunakan +4 UTC hingga tahun 1945 dan kemudian +4. 30 UTC sesudahnya

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_3

Penggunaan 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
_95 dari atas

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_4

Objek

Objek mewakili waktu (lokal) dalam sehari, terlepas dari hari tertentu, dan dapat disesuaikan melalui objek

kelas tanggal waktu. waktu(jam=0, minute=0, second=0, microsecond=0, tzinfo=None, *, fold=0)

Semua argumen bersifat opsional. tzinfo mungkin 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_03, atau turunan dari subkelas. Argumen yang tersisa harus berupa bilangan bulat dalam rentang berikut

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _90,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _91,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _92,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _93,

  • >>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
    _94

Jika argumen di luar rentang tersebut diberikan, akan dimunculkan. Semua default ke 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
_14 kecuali tzinfo, yang defaultnya ke

Atribut kelas

waktu. mnt

Terwakili paling awal, 

>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
10

waktu. maks

Perwakilan terbaru, 

>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
12

time. resolution

The smallest possible difference between non-equal objects, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
24, although note that arithmetic on objects is not supported

Atribut instance (hanya baca)

time. hour

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_96

time. minute

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_97

time. second

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_97

time. microsecond

Di 

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
_99

time. tzinfo

Objek diteruskan sebagai argumen tzinfo ke konstruktor, atau 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 jika tidak ada yang diteruskan

time. fold

Di 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_02. Digunakan untuk membedakan waktu dinding selama interval berulang. (Interval berulang terjadi saat jam diputar mundur di penghujung waktu musim panas atau saat offset UTC untuk zona saat ini dikurangi karena alasan politik. ) Nilai 0 (1) mewakili dua momen awal (kemudian) dengan representasi waktu dinding yang sama

Baru di versi 3. 6

objects support comparison of to , where a is considered less than b when a precedes b in time. If one comparand is naive and the other is aware, is raised if an order comparison is attempted. For equality comparisons, naive instances are never equal to aware instances

If both comparands are aware, and have the same attribute, the common attribute is ignored and the base times are compared. If both comparands are aware and have different attributes, the comparands are first adjusted by subtracting their UTC offsets (obtained from 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
30). In order to stop mixed-type comparisons from falling back to the default comparison by object address, when a object is compared to an object of a different type, is raised unless the comparison is 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
75 or 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
76. The latter cases return or , respectively

Berubah di versi 3. 3. Perbandingan kesetaraan antara kejadian sadar dan naif tidak meningkat.

In Boolean contexts, a object is always considered to be true

Changed in version 3. 5. Before Python 3. 5, a object was considered to be false if it represented midnight in UTC. This behavior was considered obscure and error-prone and has been removed in Python 3. 5. See bpo-13936 for full details.

Other constructor

classmethod time. fromisoformat(time_string)

Return a corresponding to a time_string in any valid ISO 8601 format, with the following exceptions

  1. Offset zona waktu mungkin memiliki pecahan detik

  2. The leading 

    >>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
    80, normally required in cases where there may be ambiguity between a date and a time, is not required

  3. Fractional seconds may have any number of digits (anything beyond 6 will be truncated)

  4. Pecahan jam dan menit tidak didukung

Contoh

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
5

Baru di versi 3. 7

Changed in version 3. 11. Previously, this method only supported formats that could be emitted by .

Metode instan

time. replace(hour=self. hour , minute=self. minute , second=self. detik , mikrodetik=diri. microsecond , tzinfo=self. tzinfo , * , fold=0)

Return a with the same value, except for those attributes given new values by whichever keyword arguments are specified. Note that 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
52 can be specified to create a naive from an aware , without conversion of the time data

Baru di versi 3. 6. Menambahkan 

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
96 argumen.

time. isoformat(timespec='auto')

Return a string representing the time in ISO 8601 format, one of

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    80, if is not 0

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    76, if is 0

  • >>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
    53, if does not return 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

  • >>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
    56, if is 0 and does not return 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03

Argumen timespec opsional menentukan jumlah komponen tambahan waktu untuk disertakan (defaultnya adalah 

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
60). Itu bisa menjadi salah satu dari yang berikut

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _60. Sama seperti 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _62 jika 0, sama seperti 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    64 jika tidak

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _65. Sertakan dalam format ________11______67 dua digit

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _68. Sertakan dan dalam format 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _71

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _62. Sertakan , , dan dalam format ________11______76

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _77. Sertakan waktu penuh, tetapi potong bagian kedua pecahan menjadi milidetik. 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _78

  • >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    _64. Sertakan purna waktu dalam format ________11______80

Catatan

Komponen waktu yang dikecualikan dipotong, bukan dibulatkan

will be raised on an invalid timespec argument

Contoh

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
6

Baru di versi 3. 6. Menambahkan argumen timespec.

time. __str__()

For a time t, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
55 is equivalent to 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
83

time. strftime(format)

Return a string representing the time, controlled by an explicit format string. For a complete list of formatting directives, see

time. __format__(format)

Sama dengan. Ini memungkinkan untuk menentukan string format untuk objek di dalam dan saat menggunakan. Untuk daftar lengkap arahan pemformatan, lihat

time. utcoffset()

If is 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, returns 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, else returns 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
90, and raises an exception if the latter doesn’t return 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 or a object with magnitude less than one day

Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

time. dst()

If is 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, returns 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, else returns 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
96, and raises an exception if the latter doesn’t return 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, or a object with magnitude less than one day

Berubah di versi 3. 7. Offset DST tidak terbatas pada jumlah menit penuh.

time. tzname()

If is 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, returns 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, else returns 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
02, or raises an exception if the latter doesn’t return 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 or a string object

Contoh Penggunaan.

Examples of working with a object

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
7

Objek

class datetime. tzinfo

This is an abstract base class, meaning that this class should not be instantiated directly. Define a subclass of to capture information about a particular time zone

An instance of (a concrete subclass of) can be passed to the constructors for and objects. The latter objects view their attributes as being in local time, and the object supports methods revealing offset of local time from UTC, the name of the time zone, and DST offset, all relative to a date or time object passed to them

You need to derive a concrete subclass, and (at least) supply implementations of the standard methods needed by the methods you use. The module provides , a simple concrete subclass of which can represent timezones with fixed offset from UTC such as UTC itself or North American EST and EDT

Special requirement for pickling. A subclass must have an 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
18 method that can be called with no arguments, otherwise it can be pickled but possibly not unpickled again. This is a technical requirement that may be relaxed in the future

A concrete subclass of may need to implement the following methods. Exactly which methods are needed depends on the uses made of aware objects. If in doubt, simply implement all of them

tzinfo. utcoffset(dt)

Return offset of local time from UTC, as a object that is positive east of UTC. If local time is west of UTC, this should be negative

This represents the total offset from UTC; for example, if a object represents both time zone and DST adjustments, should return their sum. If the UTC offset isn’t known, return 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03. Else the value returned must be a object strictly between 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
26 and 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
27 (the magnitude of the offset must be less than one day). Most implementations of will probably look like one of these two

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
8

If does not return 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, should not return 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 either

The default implementation of raises

Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

tzinfo. dst(dt)

Return the daylight saving time (DST) adjustment, as a object or 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 if DST information isn’t known

Return 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
83 if DST is not in effect. If DST is in effect, return the offset as a object (see for details). Note that DST offset, if applicable, has already been added to the UTC offset returned by , so there’s no need to consult unless you’re interested in obtaining DST info separately. For example, calls its attribute’s method to determine how the 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
97 flag should be set, and calls to account for DST changes when crossing time zones

An instance tz of a subclass that models both standard and daylight times must be consistent in this sense

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
49

must return the same result for every dt with 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
51 For sane subclasses, this expression yields the time zone’s “standard offset”, which should not depend on the date or the time, but only on geographic location. The implementation of relies on this, but cannot detect violations; it’s the programmer’s responsibility to ensure it. If a subclass cannot guarantee this, it may be able to override the default implementation of to work correctly with 
>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
72 regardless

Most implementations of will probably look like one of these two

>>> timedelta(hours=-5)
datetime.timedelta(days=-1, seconds=68400)
>>> print(_)
-1 day, 19:00:00
9

or

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
0

The default implementation of raises

Berubah di versi 3. 7. Offset DST tidak terbatas pada jumlah menit penuh.

tzinfo. tzname(dt)

Return the time zone name corresponding to the object dt, as a string. Nothing about string names is defined by the module, and there’s no requirement that it mean anything in particular. For example, “GMT”, “UTC”, “-500”, “-5. 00”, “EDT”, “US/Eastern”, “America/New York” are all valid replies. Return 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 if a string name isn’t known. Perhatikan bahwa ini adalah metode daripada string tetap terutama karena beberapa subclass ingin mengembalikan nama yang berbeda tergantung pada nilai spesifik dari dt yang diteruskan, terutama jika kelas memperhitungkan waktu siang hari

The default implementation of raises

These methods are called by a or object, in response to their methods of the same names. A object passes itself as the argument, and a object passes 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 as the argument. A subclass’s methods should therefore be prepared to accept a dt argument of 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03, or of class

When 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 is passed, it’s up to the class designer to decide the best response. For example, returning 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03 is appropriate if the class wishes to say that time objects don’t participate in the protocols. It may be more useful for 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
78 to return the standard UTC offset, as there is no other convention for discovering the standard offset

When a object is passed in response to a method, 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
81 is the same object as self. methods can rely on this, unless user code calls methods directly. The intent is that the methods interpret dt as being in local time, and not need worry about objects in other timezones

There is one more method that a subclass may wish to override

tzinfo. fromutc(dt)

This is called from the default implementation. When called from that, 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
81 is self, and dt’s date and time data are to be viewed as expressing a UTC time. The purpose of is to adjust the date and time data, returning an equivalent datetime in self’s local time

Most subclasses should be able to inherit the default implementation without problems. It’s strong enough to handle fixed-offset time zones, and time zones accounting for both standard and daylight time, and the latter even if the DST transition times differ in different years. An example of a time zone the default implementation may not handle correctly in all cases is one where the standard offset (from UTC) depends on the specific date and time passed, which can happen for political reasons. The default implementations of 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
72 and may not produce the result you want if the result is one of the hours straddling the moment the standard offset changes

Skipping code for error cases, the default implementation acts like

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
1

In the following 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
95 file there are some examples of classes

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
2

Note that there are unavoidable subtleties twice per year in a subclass accounting for both standard and daylight time, at the DST transition points. For concreteness, consider US Eastern (UTC -0500), where EDT begins the minute after 1. 59 (EST) on the second Sunday in March, and ends the minute after 1. 59 (EDT) pada hari Minggu pertama bulan November

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_3

Saat DST dimulai (baris "mulai"), jam dinding lokal melompat dari 1. 59 sampai 3. 00. Waktu dinding dalam bentuk 2. MM tidak masuk akal pada hari itu, jadi 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
98 tidak akan memberikan hasil dengan 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
99 pada hari DST dimulai. Misalnya, pada transisi maju musim semi tahun 2016, kita dapatkan

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
_4

Saat DST berakhir ("garis akhir"), ada potensi masalah yang lebih buruk. ada satu jam yang tidak bisa dieja dengan jelas dalam waktu dinding lokal. jam terakhir siang hari. In Eastern, that’s times of the form 5. MM UTC on the day daylight time ends. The local wall clock leaps from 1. 59 (daylight time) back to 1. 00 (standard time) again. Local times of the form 1. MM are ambiguous. 

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
72 mimics the local clock’s behavior by mapping two adjacent UTC hours into the same local hour then. In the Eastern example, UTC times of the form 5. MM and 6. MM both map to 1. MM when converted to Eastern, but earlier times have the attribute set to 0 and the later times have it set to 1. For example, at the Fall back transition of 2016, we get

>>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
5

Note that the instances that differ only by the value of the attribute are considered equal in comparisons

Applications that can’t bear wall-time ambiguities should explicitly check the value of the attribute or avoid using hybrid subclasses; there are no ambiguities when using , or any other fixed-offset subclass (such as a class representing only EST (fixed offset -5 hours), or only EDT (fixed offset -4 hours))

See also

The module has a basic class (for handling arbitrary fixed offsets from UTC) and its attribute (a UTC timezone instance)

>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
1 brings the IANA timezone database (also known as the Olson database) to Python, and its usage is recommended

IANA timezone database

The Time Zone Database (often called tz, tzdata or zoneinfo) contains code and data that represent the history of local time for many representative locations around the globe. It is updated periodically to reflect changes made by political bodies to time zone boundaries, UTC offsets, and daylight-saving rules

Objek

The class is a subclass of , each instance of which represents a timezone defined by a fixed offset from UTC

Objects of this class cannot be used to represent timezone information in the locations where different offsets are used in different days of the year or where historical changes have been made to civil time

class datetime. timezone(offset , name=None)

The offset argument must be specified as a object representing the difference between the local time and UTC. It must be strictly between 

>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
26 and 
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
27, otherwise is raised

The name argument is optional. If specified it must be a string that will be used as the value returned by the method

New in version 3. 2

Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

timezone. utcoffset(dt)

Return the fixed value specified when the instance is constructed

The dt argument is ignored. The return value is a instance equal to the difference between the local time and UTC

Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

timezone. tzname(dt)

Return the fixed value specified when the instance is constructed

If name is not provided in the constructor, the name returned by 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
24 is generated from the value of the 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
25 as follows. If offset is 
>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
83, the name is “UTC”, otherwise it is a string in the format 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
27, where ± is the sign of 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
25, HH and MM are two digits of 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
29 and 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
30 respectively

Changed in version 3. 6. Name generated from 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
31 is now plain 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
32, not 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
33.

zona waktu. dst(dt)

Always returns 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
03

timezone. fromutc(dt)

Return 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
35. The dt argument must be an aware instance, with 
>>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
4 set to 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
38

Atribut kelas

timezone. utc

The UTC timezone, 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
39

>>> from datetime import date >>> date.fromisoformat('2019-12-04') datetime.date(2019, 12, 4) >>> date.fromisoformat('20191204') datetime.date(2019, 12, 4) >>> date.fromisoformat('2021-W01-1') datetime.date(2021, 1, 4) 40 and >>> from datetime import date >>> date.fromisoformat('2019-12-04') datetime.date(2019, 12, 4) >>> date.fromisoformat('20191204') datetime.date(2019, 12, 4) >>> date.fromisoformat('2021-W01-1') datetime.date(2021, 1, 4) 41 Behavior

, , and objects all support a 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
45 method, to create a string representing the time under the control of an explicit format string

Conversely, the class method creates a object from a string representing a date and time and a corresponding format string

The table below provides a high-level comparison of 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
40 versus 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
41

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
50

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
51

Usage

Convert object to a string according to a given format

Parse a string into a object given a corresponding format

Type of method

Instance method

Class method

Method of

; ;

Signature

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
45

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
58

>>> from datetime import date >>> date.fromisoformat('2019-12-04') datetime.date(2019, 12, 4) >>> date.fromisoformat('20191204') datetime.date(2019, 12, 4) >>> date.fromisoformat('2021-W01-1') datetime.date(2021, 1, 4) 40 and >>> from datetime import date >>> date.fromisoformat('2019-12-04') datetime.date(2019, 12, 4) >>> date.fromisoformat('20191204') datetime.date(2019, 12, 4) >>> date.fromisoformat('2021-W01-1') datetime.date(2021, 1, 4) 41 Format Codes

The following is a list of all the format codes that the 1989 C standard requires, and these work on all platforms with a standard C implementation

Directive

Meaning

Example

Notes

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
61

Weekday as locale’s abbreviated name

Sun, Mon, …, Sat (en_US);

So, Mo, …, Sa (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
62

Hari kerja sebagai nama lengkap lokal

Sunday, Monday, …, Saturday (en_US);

Sonntag, Montag, …, Samstag (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
63

Weekday as a decimal number, where 0 is Sunday and 6 is Saturday

0, 1, …, 6

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
64

Day of the month as a zero-padded decimal number

01, 02, …, 31

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
65

Month as locale’s abbreviated name

Jan, Feb, …, Dec (en_US);

Jan, Feb, …, Dez (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
66

Month as locale’s full name

January, February, …, December (en_US);

Januar, Februar, …, Dezember (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
67

Month as a zero-padded decimal number

01, 02, …, 12

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
68

Year without century as a zero-padded decimal number

00, 01, …, 99

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
69

Year with century as a decimal number

0001, 0002, …, 2013, 2014, …, 9998, 9999

(2)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
70

Hour (24-hour clock) as a zero-padded decimal number

00, 01, …, 23

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
71

Hour (12-hour clock) as a zero-padded decimal number

01, 02, …, 12

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
72

Locale’s equivalent of either AM or PM

AM, PM (en_US);

am, pm (de_DE)

(1), (3)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
73

Minute as a zero-padded decimal number

00, 01, …, 59

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
74

Second as a zero-padded decimal number

00, 01, …, 59

(4), (9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
75

Microsecond as a decimal number, zero-padded to 6 digits

000000, 000001, …, 999999

(5)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
76

UTC offset in the form 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
77 (empty string if the object is naive)

(empty), +0000, -0400, +1030, +063415, -030712. 345216

(6)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
78

Time zone name (empty string if the object is naive)

(empty), UTC, GMT

(6)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
79

Day of the year as a zero-padded decimal number

001, 002, …, 366

(9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
_80

Week number of the year (Sunday as the first day of the week) as a zero-padded decimal number. All days in a new year preceding the first Sunday are considered to be in week 0

00, 01, …, 53

(7), (9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
81

Week number of the year (Monday as the first day of the week) as a zero-padded decimal number. All days in a new year preceding the first Monday are considered to be in week 0

00, 01, …, 53

(7), (9)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
82

Locale’s appropriate date and time representation

Sel 16 Agustus 21. 30. 00 1988 (en_US);

Di 16 Aug 21. 30. 00 1988 (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
83

Locale’s appropriate date representation

08/16/88 (None);

08/16/1988 (en_US);

16. 08. 1988 (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
84

Locale’s appropriate time representation

21. 30. 00 (en_US);

21. 30. 00 (de_DE)

(1)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
85

A literal 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
86 character

%

Several additional directives not required by the C89 standard are included for convenience. These parameters all correspond to ISO 8601 date values

Directive

Meaning

Example

Notes

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
87

ISO 8601 year with century representing the year that contains the greater part of the ISO week (

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
88)

0001, 0002, …, 2013, 2014, …, 9998, 9999

(8)

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
89

ISO 8601 weekday as a decimal number where 1 is Monday

1, 2, …, 7

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
88

ISO 8601 week as a decimal number with Monday as the first day of the week. Week 01 is the week containing Jan 4

01, 02, …, 53

(8), (9)

These may not be available on all platforms when used with the 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
40 method. The ISO 8601 year and ISO 8601 week directives are not interchangeable with the year and week number directives above. Calling 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
41 with incomplete or ambiguous ISO 8601 directives will raise a

The full set of format codes supported varies across platforms, because Python calls the platform C library’s 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
40 function, and platform variations are common. To see the full set of format codes supported on your platform, consult the strftime(3) documentation. There are also differences between platforms in handling of unsupported format specifiers

New in version 3. 6. 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
87, 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
89 and 
>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
88 were added.

Technical Detail

Broadly speaking, 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
98 acts like the module’s 
>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
00 although not all objects support a 
>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
42 method

For the class method, the default value is 

>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
03. any components not specified in the format string will be pulled from the default value.

Using 

>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
04 is equivalent to

>>> from datetime import timedelta
>>> d = timedelta(microseconds=-1)
>>> (d.days, d.seconds, d.microseconds)
(-1, 86399, 999999)
1

except when the format includes sub-second components or timezone offset information, which are supported in 

>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
05 but are discarded by 
>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
06

For objects, the format codes for year, month, and day should not be used, as objects have no such values. If they’re used anyway, 

>>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
09 is substituted for the year, and 
>>> # Components of another_year add up to exactly 365 days
>>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> another_year = timedelta(weeks=40, days=84, hours=23,
..                          minutes=50, seconds=600)
>>> year == another_year
True
>>> year.total_seconds()
31536000.0
5 for the month and day

For objects, the format codes for hours, minutes, seconds, and microseconds should not be used, as objects have no such values. If they’re used anyway, 

>>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
14 is substituted for them

For the same reason, handling of format strings containing Unicode code points that can’t be represented in the charset of the current locale is also platform-dependent. On some platforms such code points are preserved intact in the output, while on others 

>>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
50 may raise or return an empty string instead

Catatan

  1. Because the format depends on the current locale, care should be taken when making assumptions about the output value. Field orderings will vary (for example, “month/day/year” versus “day/month/year”), and the output may contain Unicode characters encoded using the locale’s default encoding (for example, if the current locale is 

    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    16, the default encoding could be any one of 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    17, 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    18, or 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    19; use to determine the current locale’s encoding)

  2. The 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method can parse years in the full [1, 9999] range, but years < 1000 must be zero-filled to 4-digit width

    Changed in version 3. 2. In previous versions, 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    40 method was restricted to years >= 1900.

    Changed in version 3. 3. In version 3. 2, 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    40 method was restricted to years >= 1000.

  3. When used with the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, the 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    72 directive only affects the output hour field if the 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    71 directive is used to parse the hour

  4. Unlike the module, the module does not support leap seconds

  5. When used with the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, the 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    75 directive accepts from one to six digits and zero pads on the right. 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    75 is an extension to the set of format characters in the C standard (but implemented separately in datetime objects, and therefore always available)

  6. For a naive object, the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    76 and 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    78 format codes are replaced by empty strings

    For an aware object

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    76

    >>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
    57 is transformed into a string of the form 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    77, where 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    67 is a 2-digit string giving the number of UTC offset hours, 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    38 is a 2-digit string giving the number of UTC offset minutes, 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    39 is a 2-digit string giving the number of UTC offset seconds and 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    40 is a 6-digit string giving the number of UTC offset microseconds. The 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    40 part is omitted when the offset is a whole number of seconds and both the 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    40 and the 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    39 part is omitted when the offset is a whole number of minutes. For example, if 
    >>> from datetime import timedelta
>>> delta1 = timedelta(seconds=57)
>>> delta2 = timedelta(hours=25, seconds=2)
>>> delta2 != delta1
True
>>> delta2 == 5
False
    57 returns 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    45, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    76 is replaced with the string 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    47

    Berubah di versi 3. 7. Offset UTC tidak terbatas pada jumlah menit penuh.

    Changed in version 3. 7. When the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    76 directive is provided to the 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, the UTC offsets can have a colon as a separator between hours, minutes and seconds. For example, 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    50 will be parsed as an offset of one hour. In addition, providing 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    51 is identical to 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    52. 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    78

    In 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    40, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    78 is replaced by an empty string if 
    >>> from datetime import timedelta
>>> year = timedelta(days=365)
>>> ten_years = 10 * year
>>> ten_years
datetime.timedelta(days=3650)
>>> ten_years.days // 365
10
>>> nine_years = ten_years - year
>>> nine_years
datetime.timedelta(days=3285)
>>> three_years = nine_years // 3
>>> three_years, three_years.days // 365
(datetime.timedelta(days=1095), 3)
    65 returns 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    03; otherwise 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    78 is replaced by the returned value, which must be a string

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 only accepts certain values for 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    78

    1. any value in 

      >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
      61 for your machine’s locale

    2. the hard-coded values 

      >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
      62 and 
      >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
      63

    So someone living in Japan may have 

    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    64, 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    62, and 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    63 as valid values, but probably not 
    >>> from datetime import date
>>> d = date(2002, 12, 31)
>>> d.replace(day=26)
datetime.date(2002, 12, 26)
    67. It will raise 
    >>> from datetime import timedelta
>>> delta = timedelta(
..     days=50,
..     seconds=27,
..     microseconds=10,
..     milliseconds=29000,
..     minutes=5,
..     hours=8,
..     weeks=2
.. )
>>> # Only days, seconds, and microseconds remain
>>> delta
datetime.timedelta(days=64, seconds=29156, microseconds=10)
    93 for invalid values

    Changed in version 3. 2. When the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    76 directive is provided to the 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, an aware object will be produced. The 
    >>> delta2 > delta1
True
>>> delta2 > 5
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: '>' not supported between instances of 'datetime.timedelta' and 'int'
    4 of the result will be set to a instance.

  7. When used with the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    80 and 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    81 are only used in calculations when the day of the week and the calendar year (
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    69) are specified

  8. Similar to 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    80 and 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    81, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    88 is only used in calculations when the day of the week and the ISO year (
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    87) are specified in a 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 format string. Also note that 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    87 and 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    69 are not interchangeable

  9. When used with the 

    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    41 method, the leading zero is optional for formats 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    64, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    67, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    70, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    71, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    73, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    74, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    79, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    80, 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    81, and 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    88. Format 
    >>> from datetime import date
>>> date.fromisoformat('2019-12-04')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('20191204')
datetime.date(2019, 12, 4)
>>> date.fromisoformat('2021-W01-1')
datetime.date(2021, 1, 4)
    68 does require a leading zero

Footnotes

If, that is, we ignore the effects of Relativity

This matches the definition of the “proleptic Gregorian” calendar in Dershowitz and Reingold’s book Calendrical Calculations, where it’s the base calendar for all computations. See the book for algorithms for converting between proleptic Gregorian ordinals and many other calendar systems

How to convert UTC time into local time in Python?

Here first Import dateime,tzutc and tzlocal python module. After that using the datetime. now(tzutc()), I am getting the current UTC date and time. To convert the UTC time to local time I am using the dot operator on UTC time and passing the tzlocal() method inside the astimezone() function .

How do I convert a timestamp to datetime in Python?

Use the datetime. fromtimestamp() function to convert the timestamp string to datetime object and format it using the strftime() method (returns a string that represents a datetime object based on the format codes).

How do I read a UTC timestamp in Python?

Getting the UTC timestamp Use the datetime. datetime. now() to get the current date and time .

How do I convert timestamp to date and time?

Converting timestamp to datetime We may use the datetime module's fromtimestamp() method to convert the timestamp back to a datetime object . It returns the POSIX timestamp corresponding to the local date and time, as returned by time. waktu().

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