Answers for "how to use datetime in python"

datetime python

from datetime import datetime as d
date = d.now()
print(date.strftime("%Y-%m-%d %H:%M:%S"))

python set a specific datetime

from datetime import datetime

custom_date_time = datetime(2021, 7, 23, 17, 30, 29, 431717)
print(custom_date_time)

# Output:
# 2021-07-23 17:30:29.431717

datetime year python

import datetime
now = datetime.datetime.now()
print(now.year, now.month, now.day, now.hour, now.minute, now.second)

python datetime

from datetime import date
f_date = date(2014, 7, 2)
l_date = date(2014, 7, 11)
delta = l_date - f_date
print(delta.days)

python datetime

strftime() and strptime() 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.

%a : Weekday as locale’s abbreviated name. #Sun, Mon, …, Sat (en_US); So, Mo, …, Sa (de_DE)
%A : Weekday as locale’s full name. # Sunday, Monday, …, Saturday (en_US) Sonntag, Montag, …, Samstag (de_DE)
%w : Weekday as a decimal number, where 0 is Sunday and 6 is Saturday.

%d : Day of the month as a zero-padded decimal number.

%b : Month as locale’s abbreviated name. # Jan, Feb, …, Dec (en_US); Jan, Feb, …, Dez (de_DE)
%B : Month as locale’s full name. # January, February, …, December (en_US); Januar, Februar, …, Dezember (de_DE)
%m : Month as a zero-padded decimal number.

%y : Year without century as a zero-padded decimal number.
%Y : Year with century as a decimal number. # 0001, 0002, …, 2013, 2014, …, 9998, 9999

%H : Hour (24-hour clock) as a zero-padded decimal number.
%I : Hour (12-hour clock) as a zero-padded decimal number.

%p : Locale’s equivalent of either AM or PM.

%M : Minute as a zero-padded decimal number.
%S : Second as a zero-padded decimal number.
%f : Microsecond as a decimal number, zero-padded on the left. # 000000, 000001, …, 999999

%z : UTC offset in the form ±HHMM[SS[.ffffff]] (empty string if the object is naive). # (empty), +0000, -0400, +1030, +063415, -030712.345216
%Z : Time zone name (empty string if the object is naive). # (empty), UTC, GMT

%j : Day of the year as a zero-padded decimal number. #001, 002, …, 366

%U : 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.
%W : Week number of the year (Monday as the first day of the week) as a decimal number. All days in a new year preceding the first Monday are considered to be in week 0.

%c : Locale’s appropriate date and time representation. #Tue Aug 16 21:30:00 1988 (en_US); Di 16 Aug 21:30:00 1988 (de_DE)
%x : Locale’s appropriate date representation. # 08/16/88 (None); 08/16/1988 (en_US); 16.08.1988 (de_DE)
%X : Locale’s appropriate time representation. # 21:30:00 (en_US); 21:30:00 (de_DE)

%% : A literal '%' character.

%G : ISO 8601 year with century representing the year that contains the greater part of the ISO week (%V). 0001, 0002, …, 2013, 2014, …, 9998, 9999
%u : ISO 8601 weekday as a decimal number where 1 is Monday.
%V : ISO 8601 week as a decimal number with Monday as the first day of the week. Week 01 is the week containing Jan 4.

datetime python

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