DATE

NAME
SYNOPSIS
DESCRIPTION
REPORTING BUGS
SEE ALSO
COPYRIGHT

NAME

date − print or set the system date and time

SYNOPSIS

date [OPTION]... [+FORMAT]
date
[OPTION] [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

−I, −−iso−8601[=TIMESPEC] output an ISO-8601 compliant date/time string.

TIMESPEC=‘date’ (or missing) for date only, ‘hours’, ‘minutes’, or ‘seconds’ for date and time to the indicated precision.

−r, −−reference=FILE

display the last modification time of FILE

−R, −−rfc−822

output RFC-822 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 (Sunday..Saturday)

%b

locale’s abbreviated month name (Jan..Dec)

%B

locale’s full month name, variable length (January..December)

%c

locale’s date and time (Sat Nov 04 12:02:33 EST 1989)

%d

day of month (01..31)

%D

date (mm/dd/yy)

%e

day of month, blank padded ( 1..31)

%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

%p

locale’s AM or PM

%r

time, 12-hour (hh:mm:ss [AP]M)

%s

seconds since 00:00:00, Jan 1, 1970 (a GNU extension)

%S

second (00..60)

%t

a horizontal tab

%T

time, 24-hour (hh:mm:ss)

%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..52)

%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-822 style numeric timezone (-0500) (a nonstandard 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 ‘_’ (underscore) pad the field with spaces

REPORTING BUGS

Report bugs to <bug-sh-utils@gnu.org>.

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 date

should give you access to the complete manual.

COPYRIGHT

Copyright © 1999 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.