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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
--iso-8601[=TIMESPEC] output date/time in ISO 8601 for-
mat.
TIMESPEC=`date' for date only (the default),
`hours', `minutes', `seconds', or `ns' for date
and time to the indicated precision.
-r, --reference=FILE
display the last modification time of FILE
-R, --rfc-2822
output RFC-2822 compliant date string
-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. The only valid option for
the second form specifies Coordinated Universal Time.
Interpreted sequences are:
%% a literal %
%a locale's abbreviated weekday name (Sun..Sat)
%A locale's full weekday name, variable length (Sun-
day..Saturday)
%b locale's abbreviated month name (Jan..Dec)
%B locale's full month name, variable length (Jan-
uary..December)
%c locale's date and time (Sat Nov 04 12:02:33 EST
1989)
%C century (year divided by 100 and truncated to an
integer) [00-99]
%d day of month (01..31)
%D date (mm/dd/yy)
%e day of month, blank padded ( 1..31)
%F same as %Y-%m-%d
%g the 2-digit year corresponding to the %V week
number
%G the 4-digit year corresponding to the %V week
number
%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 upper case AM or PM indicator (blank in
many locales)
%P locale's lower case am or pm indicator (blank in
many locales)
%r time, 12-hour (hh:mm:ss [AP]M)
%R time, 24-hour (hh:mm)
%s seconds since `00:00:00 1970-01-01 UTC' (a GNU
extension)
%S second (00..60); the 60 is necessary to accommo-
date a leap second
%t a horizontal tab
%T time, 24-hour (hh:mm:ss)
%u day of week (1..7); 1 represents Monday
%U week number of year with Sunday as first day of
week (00..53)
%V week number of year with Monday as first day of
week (01..53)
%w day of week (0..6); 0 represents Sunday
%W week number of year with Monday as first day of
week (00..53)
%x locale's date representation (mm/dd/yy)
%X locale's time representation (%H:%M:%S)
%y last two digits of year (00..99)
%Y year (1970...)
%z RFC-2822 style numeric timezone (-0500) (a non-
standard extension)
%Z time zone (e.g., EDT), or nothing if no time zone
is determinable
By default, date pads numeric fields with zeroes. GNU
date recognizes the following modifiers between `%' and
a numeric directive.
`-' (hyphen) do not pad the field `_' (under-
score) pad the field with spaces
AUTHOR
Written by David MacKenzie.
REPORTING BUGS
Report bugs to <bug-coreutils@gnu.org>.
COPYRIGHT
Copyright (C) 2004 Free Software Foundation, Inc.
This is free software; see the source for copying condi-
tions. There is NO warranty; not even for MERCHANTABIL-
ITY or FITNESS FOR A PARTICULAR PURPOSE.
SEE ALSO
The full documentation for date is maintained as a Tex-
info manual. If the info and date programs are properly
installed at your site, the command
info date
should give you access to the complete manual.
date 5.3.0 November 2004 DATE(1)
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