时间format输出格式参考


date --help

%% 一个文字的 %
%a 当前locale 的星期名缩写(例如: 日,代表星期日)
%A 当前locale 的星期名全称 (如:星期日)
%b 当前locale 的月名缩写 (如:一,代表一月)
%B 当前locale 的月名全称 (如:一月)
%c 当前locale 的日期和时间 (如:2005年3月3日 星期四 23:05:25)
%C 世纪;比如 %Y,通常为省略当前年份的后两位数字(例如:20)
%d 按月计的日期(例如:01)
%D 按月计的日期;等于%m/%d/%y
%e 按月计的日期,添加空格,等于%_d
%F 完整日期格式,等价于 %Y-%m-%d
%g ISO-8601 格式年份的最后两位 (参见%G)
%G ISO-8601 格式年份 (参见%V),一般只和 %V 结合使用
%h 等于%b
%H 小时(00-23)
%I 小时(00-12)
%j 按年计的日期(001-366)
%k hour, space padded ( 0..23); same as %_H
%l hour, space padded ( 1..12); same as %_I
%m month (01..12)
%M minute (00..59)
%n a newline
%N nanoseconds (000000000..999999999)
%p locale's equivalent of either AM or PM; blank if not known
%P like %p, but lower case
%q quarter of year (1..4)
%r locale's 12-hour clock time (e.g., 11:11:04 PM)
%R 24-hour hour and minute; same as %H:%M
%s seconds since 1970-01-01 00:00:00 UTC
%S 秒(00-60)
%t 输出制表符 Tab
%T 时间,等于%H:%M:%S
%u 星期,1 代表星期一
%U 一年中的第几周,以周日为每星期第一天(00-53)
%V ISO-8601 格式规范下的一年中第几周,以周一为每星期第一天(01-53)
%w 一星期中的第几日(0-6),0 代表周一
%W 一年中的第几周,以周一为每星期第一天(00-53)
%x 当前locale 下的日期描述 (如:12/31/99)
%X 当前locale 下的时间描述 (如:23:13:48)
%y 年份最后两位数位 (00-99)
%Y 年份
%z +hhmm 数字时区(例如,-0400)
%:z +hh:mm 数字时区(例如,-04:00)
%::z +hh:mm:ss 数字时区(例如,-04:00:00)
%:::z 数字时区带有必要的精度 (例如,-04,+05:30)
%Z 按字母表排序的时区缩写 (例如,EDT)

http://www.cplusplus.com/reference/ctime/strftime/

specifier Replaced by Example
%a Abbreviated weekday name * Thu
%A Full weekday name * Thursday
%b Abbreviated month name * Aug
%B Full month name * August
%c Date and time representation * Thu Aug 23 14:55:02 2001
%C Year divided by 100 and truncated to integer (00-99) 20
%d Day of the month, zero-padded (01-31) 23
%D Short MM/DD/YY date, equivalent to %m/%d/%y 08/23/01
%e Day of the month, space-padded ( 1-31) 23
%F Short YYYY-MM-DD date, equivalent to %Y-%m-%d 2001-08-23
%g Week-based year, last two digits (00-99) 01
%G Week-based year 2001
%h Abbreviated month name * (same as %b) Aug
%H Hour in 24h format (00-23) 14
%I Hour in 12h format (01-12) 02
%j Day of the year (001-366) 235
%m Month as a decimal number (01-12) 08
%M Minute (00-59) 55
%n New-line character ('n')
%p AM or PM designation PM
%r 12-hour clock time * 02:55:02 pm
%R 24-hour HH:MM time, equivalent to %H:%M 14:55
%S Second (00-61) 02
%t Horizontal-tab character ('t')
%T ISO 8601 time format (HH:MM:SS), equivalent to %H:%M:%S 14:55:02
%u ISO 8601 weekday as number with Monday as 1 (1-7) 4
%U Week number with the first Sunday as the first day of week one (00-53) 33
%V ISO 8601 week number (01-53) 34
%w Weekday as a decimal number with Sunday as 0 (0-6) 4
%W Week number with the first Monday as the first day of week one (00-53) 34
%x Date representation * 08/23/01
%X Time representation * 14:55:02
%y Year, last two digits (00-99) 01
%Y Year 2001
%z ISO 8601 offset from UTC in timezone (1 minute=1, 1 hour=100),If timezone cannot be determined, no characters +100
%Z Timezone name or abbreviation *,if timezone cannot be determined, no characters CDT
%% A % sign %
作者: honmaple
链接: https://honmaple.me/articles/2017/10/时间format输出格式参考.html
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