Linux命令之日期时间命令date使用实例

时间：2015-06-06 14:14:13 魔新豆网

　　date用法1:

　　格式：date [OPTION]... [+FORMAT]

　　 FORMAT controls the output. Interpreted sequences are:

　　
%% a literal %

　　 %a locale's abbreviated weekday name (e.g., Sun)

　　 %A locale's full weekday name (e.g., Sunday)

　　 %b locale's abbreviated month name (e.g., Jan)

　　 %B locale's full month name (e.g., January)

　　 %c locale's date and time (e.g., Thu Mar 3 23:05:25 2005)

　　 %C century; like %Y, except omit last two digits (e.g., 20)

　　 %d day of month (e.g., 01)

　　 %D date; same as %m/%d/%y

　　 %e day of month, space padded; same as %_d

　　 %F full date; same as %Y-%m-%d

　　 %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)

　　
%:::z numeric time zone with : to necessary precision (e.g., -04, +05:30)

　　
%Z alphabetic time zone abbreviation (e.g., EDT)

　　
By default, date pads numeric fields with zeroes. The following optional flags may follow `%':

　　
- (hyphen) do not pad the field

　　
_ (underscore) pad with spaces

　　
0 (zero) pad with zeros

　　
^ use upper case if possible

　　
# use opposite case if possible

　　例如：

　　1.年月日

　　复制代码

代码如下:

　　
$ date +%Y%m%d
20150107

2.年月日，年只保留后两位

　　复制代码

代码如下:

　　
~$ date +%y%m%d
150107

3.小时分钟秒

　　复制代码

代码如下:

　　
~$ date +%H%M%S
233045

4.年月日时分秒

　　复制代码

代码如下:

　　
~$ date +%Y%m%d%H%M%S
20150107233145

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