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Linux 2.6 - man page for date (linux section 1)

DATE(1) 				  User Commands 				  DATE(1)

NAME
       date - print or set the system date and time

SYNOPSIS
       date [OPTION]... [+FORMAT]
       date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]

DESCRIPTION
       Display the current time in the given FORMAT, or set the system date.

       -d, --date=STRING
	      display time described by STRING, not `now'

       -f, --file=DATEFILE
	      like --date once for each line of DATEFILE

       -r, --reference=FILE
	      display the last modification time of FILE

       -R, --rfc-2822
	      output date and time in RFC 2822 format.	Example: Mon, 07 Aug 2006 12:34:56 -0600

       --rfc-3339=TIMESPEC
	      output  date  and time in RFC 3339 format.  TIMESPEC=`date', `seconds', or `ns' for
	      date and time to the indicated precision.  Date and time components  are	separated
	      by a single space: 2006-08-07 12:34:56-06:00

       -s, --set=STRING
	      set time described by STRING

       -u, --utc, --universal
	      print or set Coordinated Universal Time

       --help display this help and exit

       --version
	      output version information and exit

       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 ( 0..23)

       %l     hour ( 1..12)

       %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 timezone (e.g., -0400)

       %:z    +hh:mm numeric timezone (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

       After any flags comes an optional field width, as a decimal number; then an optional modi-
       fier,  which  is either E to use the locale's alternate representations if available, or O
       to use the locale's alternate numeric symbols if available.

DATE STRING
       The --date=STRING is a mostly free format human readable date string such as "Sun, 29  Feb
       2004  16:21:42 -0800" or "2004-02-29 16:21:42" or even "next Thursday".	A date string may
       contain items indicating calendar date, time of day, time  zone,  day  of  week,  relative
       time,  relative	date,  and  numbers.  An empty string indicates the beginning of the day.
       The date string format is more complex  than  is  easily  documented  here  but	is  fully
       described in the info documentation.

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       Report date bugs to bug-coreutils@gnu.org
       GNU coreutils home page: <http://www.gnu.org/software/coreutils/>
       General help using GNU software: <http://www.gnu.org/gethelp/>
       Report date translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright  (C)  2010  Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or
       later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO	WARRANTY,
       to the extent permitted by law.

SEE ALSO
       The  full  documentation for date is maintained as a Texinfo manual.  If the info and date
       programs are properly installed at your site, the command

	      info coreutils 'date invocation'

       should give you access to the complete manual.

GNU coreutils 8.5			  February 2011 				  DATE(1)


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