[Python/Module] Datetime

Python Dates

• 날짜, 시간은 파이썬에 포함되지 않음
• 'datetime' 모듈 사용

import datetime

x = datetime.datetime.now()
y = datetime.datetime(2020, 5, 17) # object from datetime() class
z = datetime.datetime(2018, 6, 1)

print(x) # 2022-12-16 15:33:49.473356
print(x.year) # 2022
print(x.strftime("%A")) # Friday
print(y) # 2020-05-17 00:00:00
print(x.strftime("%B")) # June

Date Output

2022-12-16 15:30:04.284752: year, month, day, hour, minute, second, and microsecond

Creating Date Objects

• datetime() class (constructor)

The strftime() Method

• formatting date objects

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
%C	Century	20
%x	Local version of date	12/31/18
%X	Local version of time	17:41:00
%%	A % character	%
%G	ISO 8601 year	2018
%u	ISO 8601 weekday (1-7)	1
%V	ISO 8601 weeknumber (01-53)	01