linux时间格式总结

原文：https://blog.csdn.net/drcwr/article/details/50971637

%%   a literal %   一个文字
  %a   locale's abbreviated weekday name (e.g., Sun)   语言环境的缩写工作日的名字
  %A   locale's full weekday name (e.g., Sunday)            语言环境的完整工作日的名字
  %b   locale's abbreviated month name (e.g., Jan)        语言环境的缩写月的名字
  %B   locale's full month name (e.g., January)                语言环境是完整月的名字
  %c   locale's date and time (e.g., Thu Mar  3 23:05:25 2005)  区域设置的日期和时间
  %C   century; like %Y, except omit last two digits (e.g., 20)      世纪;像% Y,只不过省略最后两位数
  %d   day of month (e.g., 01)　　　　　　　　　　　　某天
  %D   date; same as %m/%d/%y　　　　　　　　　　 日期；月日年
  %e   day of month, space padded; same as %_d　　　某天 类似%_d
  %F   full date; same as %Y-%m-%d　　　　　　　　　完整日期 ，年月日
  %g   last two digits of year of ISO week number (see %G)
  %G   year of ISO week number (see %V); normally useful only with %V
  %h   same as %b
  %H   hour (00..23)
  %I   hour (01..12)
  %j   day of year (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
  %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   second (00..60)
  %t   a tab
  %T   time; same as %H:%M:%S
  %u   day of week (1..7); 1 is Monday
  %U   week number of year, with Sunday as first day of week (00..53)
  %V   ISO week number, with Monday as first day of week (01..53)
  %w   day of week (0..6); 0 is Sunday
  %W   week number of year, with Monday as first day of week (00..53)
  %x   locale's date representation (e.g., 12/31/99)
  %X   locale's time representation (e.g., 23:13:48)
  %y   last two digits of year (00..99)
  %Y   year
  %z   +hhmm numeric time zone (e.g., -0400)
  %:z  +hh:mm numeric time zone (e.g., -04:00)
  %::z  +hh:mm:ss numeric time zone (e.g., -04:00:00)    + hh:mm:ss数字时区
  %:::z  numeric time zone with : to necessary precision (e.g., -04, +05:30)  模时区:必要的精度
  %Z   alphabetic time zone abbreviation (e.g., EDT)  　　　　　　　　字母时区缩写

哈哈，懒得翻译了，需要时再翻译吧，我这边最常用的就是年月日，时分秒的格式，其他的了解就行。