Datetime

import datetime

x = datetime.datetime.now()
print(x)

2019-09-26 00:21:06.668559

Date Output

import datetime

x = datetime.datetime.now()

print(x.year)
print(x.strftime("%A"))

2019
Thursday

Creating Date Objects

import datetime

x = datetime.datetime(2020, 5, 17)
print(x)

2020-05-17 00:00:00

The strftime() Method

import datetime

x = datetime.datetime(2018, 6, 1)
print(x.strftime("%B"))

June

A reference of all the legal format codes:

Directive	Description	Example
%a	Weekday, short version	Wed
%A	Weekday, full version	Wednesday
%w	Weekday as a number 0-6, 0 is Sunday	3
%d	Day of month 01-31	31
%b	Month name, short version	Dec
%B	Month name, full version	December
%m	Month as a number 01-12	12
%y	Year, short version, without century	18
%Y	Year, full version	2018
%H	Hour 00-23	17
%I	Hour 00-12	05
%p	AM/PM	PM
%M	Minute 00-59	41
%S	Second 00-59	08
%f	Microsecond 000000-999999	548513
%z	UTC offset	+0100
%Z	Timezone	CST
%j	Day number of year 001-366	365
%U	Week number of year, Sunday as the first day of week, 00-53	52
%W	Week number of year, Monday as the first day of week, 00-53	52
%c	Local version of date and time	Mon Dec 31 17:41:00 2018
%x	Local version of date	12/31/18
%X	Local version of time	17:41:00
%%	A % character	%

timedelta

ตัวอย่างการหาผลต่างของวันที่

import datetime
import pytz

my_birthday = datetime.datetime(1985, 10, 20, 17, 55)
brothers_birthday = datetime.datetime(1992, 6, 25, 18, 30)

indy = pytz.timezone("America/Indianapolis")
my_birthday = indy.localize(my_birthday)
brothers_birthday = indy.localize(brothers_birthday)

diff = brothers_birthday - my_birthday
print(diff)

2440 days, 0:35:00

หาวัน โดยบวกจากวันปัจจุบันไปอีก 90 วัน

import datetime

today = datetime.datetime.now()
ninety_days = datetime.timedelta(days=90)

target_date = today + ninety_days

target_date.strftime("%A")

'Wednesday'