Summary of methods for formatting output of date and time in python_python

This article mainly introduces the method of formatting output of date and time in Python. The example summarizes the common date and event operation skills in Python. It is of great practical value. Friends in need can refer to this article.

The example summarizes the method of formatting output of date and time in python. Share it with everyone for your reference. The specific analysis is as follows:

The function for formatting date and time in Python is datetime.datetime.strftime(); the function for converting from string to date type is: datetime.datetime.strptime(), both functions are involved. Format string of date and time, detailed code is provided here to demonstrate the usage and examples of each parameter in detail.

The following are the replacement symbols available when formatting dates and times %a Outputs the English abbreviation of the current day of the week

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%a')
'Sun'

%A Output the complete name of the day of the week in English

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%A')
'Sunday'

%b Output the English abbreviation of the month

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%b')
'Sep'

%B Output the full English name of the month

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%B')
'September'

%c Displays date and time in local time

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%c')
'09/15/13 21:43:29'

%d displays a number between 1-31, the day of the month, that is, the day of the year, month and day

##

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%d')
'15'

##

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%H')
'21'

%I Display the current hour in 12-hour format. For example, the current jb51.net server time is 21:00 pm, use %I to display 09

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%I')
'09'

%j displays the current date as the day of the year. For example, if the current jb51.net server time is September 15, 2013, it is displayed as 258, which is the 258th day of the year.

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%j')
'258'

%m Displays months between 1-12

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%m')
'09'

%M Displays the number of minutes between 00-59

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%M')
'43'

%p Displays morning or afternoon in A.M./P.M. mode

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%p')
'PM'

%S Displays 0-59 The number of seconds between

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%S')
'29'

%U displays the number of weeks in the year, Sunday is the first day of the week , for example, the current www.jb51.net server time is September 15, 2013, Sunday, and it is displayed as week 37

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%U')
'37'

%w Displays the day of the week, where Sunday is 0 and Monday is 1. For example: the current date of jb51.net is Tuesday, September 17, 2013, then the displayed result is 2

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%w')
'2'

%W displays the week of the year, and U% puts Monday as the first day of the week, for example The current www.jb51.net server time is Tuesday, September 17, 2013, showing week 37, ranging from 0-51

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%W')
'37'

%x displays the local date, for example, the local time of jb51.net is: September 17, 2013, Beijing time

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%x')
'09/17/13'

%X displays the local time. For example, the local time of jb51.net is: Beijing time on September 17, 2013 07:55:04

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%X')
'07:55:04'

%y displays the year between (00 - 99), for example: jb51.net server time is: September 17, 2013, the displayed result is 13

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%y')
'13'

%Y displays the complete year, for example: jb51.net server time is: September 17, 2013, The displayed result is 2013

>>> import datetime
>>> now=datetime.datetime.now()
>>> now.strftime('%Y')
'2013'

##

>>> now.strftime('%%')
'%'

##To give a complete example:
Display the current date and time: The format is: year-month-day hour:minute:second

>>> datetime.datetime.now().strftime('%Y-%m-%d %H:%M:%S');
'2013-09-17 08:06:17'

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