python中时间日期格式化符号的含义

• • • %y　　　　  两位数的年份表示（00-99）
    • %Y 　　　　四位数的年份表示（000-9999）
    • %m 　　　　月份（01-12）
    • %d 　　　　 月内中的一天（0-31）
    • %H 　　　    24小时制小时数（0-23）
    • %I 　　　  　12小时制小时数（01-12）
    • %M 　　　　分钟数（00=59）
    • %S 　　　 　秒（00-59）
    • %a 　　　　 本地简化星期名称
    • %A 　　　 　本地完整星期名称
    • %b 　　　 　本地简化的月份名称
    • %B 　　　 　本地完整的月份名称
    • %c 　　　 　本地相应的日期表示和时间表示
    • %j 　　　  　年内的一天（001-366）
    • %p 　　　 　本地A.M.或P.M.的等价符
    • %U 　　　　一年中的星期数（00-53）星期天为星期的开始
    • %w 　　　　星期（0-6），星期天为星期的开始
    • %W 　　　　一年中的星期数（00-53）星期一为星期的开始
    • %x 　　　　本地相应的日期表示
    • %X 　　　　本地相应的时间表示
    • %Z 　　　　当前时区的名称
    • %% 　　　　%号本身

Code	Meaning	Example
%a	Weekday as locale’s abbreviated name.	Mon
%A	Weekday as locale’s full name.	Monday
%w	Weekday as a decimal number, where 0 is Sunday and 6 is Saturday.	1
%d	Day of the month as a zero-padded decimal number.	30
%-d	Day of the month as a decimal number. (Platform specific)	30
%b	Month as locale’s abbreviated name.	Sep
%B	Month as locale’s full name.	September
%m	Month as a zero-padded decimal number.	09
%-m	Month as a decimal number. (Platform specific)	9
%y	Year without century as a zero-padded decimal number.	13
%Y	Year with century as a decimal number.	2013
%H	Hour (24-hour clock) as a zero-padded decimal number.	07
%-H	Hour (24-hour clock) as a decimal number. (Platform specific)	7
%I	Hour (12-hour clock) as a zero-padded decimal number.	07
%-I	Hour (12-hour clock) as a decimal number. (Platform specific)	7
%p	Locale’s equivalent of either AM or PM.	AM
%M	Minute as a zero-padded decimal number.	06
%-M	Minute as a decimal number. (Platform specific)	6
%S	Second as a zero-padded decimal number.	05
%-S	Second as a decimal number. (Platform specific)	5
%f	Microsecond as a decimal number, zero-padded on the left.	000000
%z	UTC offset in the form +HHMM or -HHMM (empty string if the the object is naive).
%Z	Time zone name (empty string if the object is naive).
%j	Day of the year as a zero-padded decimal number.	273
%-j	Day of the year as a decimal number. (Platform specific)	273
%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.	39
%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.	39
%c	Locale’s appropriate date and time representation.	Mon Sep 30 07:06:05 2013
%x	Locale’s appropriate date representation.	09/30/13
%X	Locale’s appropriate time representation.	07:06:05
%%	A literal '%' character.	%