path: root/man/date.1

.\" DO NOT MODIFY THIS FILE!  It was generated by help2man 1.35.
.TH DATE "1" "March 2007" "GNU coreutils 6.9" "User Commands"
.SH NAME
date \- print or set the system date and time
.SH SYNOPSIS
.B date
[\fIOPTION\fR]... [\fI+FORMAT\fR]
.br
.B date
[\fI-u|--utc|--universal\fR] [\fIMMDDhhmm\fR[[\fICC\fR]\fIYY\fR][\fI.ss\fR]]
.SH DESCRIPTION
.\" Add any additional description here
.PP
Display the current time in the given FORMAT, or set the system date.
.TP
\fB\-d\fR, \fB\-\-date\fR=\fISTRING\fR
display time described by STRING, not `now'
.TP
\fB\-f\fR, \fB\-\-file\fR=\fIDATEFILE\fR
like \fB\-\-date\fR once for each line of DATEFILE
.TP
\fB\-r\fR, \fB\-\-reference\fR=\fIFILE\fR
display the last modification time of FILE
.TP
\fB\-R\fR, \fB\-\-rfc\-2822\fR
output date and time in RFC 2822 format.
Example: Mon, 07 Aug 2006 12:34:56 \fB\-0600\fR
.TP
\fB\-\-rfc\-3339\fR=\fITIMESPEC\fR
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
.TP
\fB\-s\fR, \fB\-\-set\fR=\fISTRING\fR
set time described by STRING
.TP
\fB\-u\fR, \fB\-\-utc\fR, \fB\-\-universal\fR
print or set Coordinated Universal Time
.TP
\fB\-\-help\fR
display this help and exit
.TP
\fB\-\-version\fR
output version information and exit
.PP
FORMAT controls the output.  The only valid option for the second form
specifies Coordinated Universal Time.  Interpreted sequences are:
.TP
%%
a literal %
.TP
%a
locale's abbreviated weekday name (e.g., Sun)
.TP
%A
locale's full weekday name (e.g., Sunday)
.TP
%b
locale's abbreviated month name (e.g., Jan)
.TP
%B
locale's full month name (e.g., January)
.TP
%c
locale's date and time (e.g., Thu Mar  3 23:05:25 2005)
.TP
%C
century; like %Y, except omit last two digits (e.g., 21)
.TP
%d
day of month (e.g, 01)
.TP
%D
date; same as %m/%d/%y
.TP
%e
day of month, space padded; same as %_d
.TP
%F
full date; same as %Y\-%m\-%d
.TP
%g
last two digits of year of ISO week number (see %G)
.TP
%G
year of ISO week number (see %V); normally useful only with %V
.TP
%h
same as %b
.TP
%H
hour (00..23)
.TP
%I
hour (01..12)
.TP
%j
day of year (001..366)
.TP
%k
hour ( 0..23)
.TP
%l
hour ( 1..12)
.TP
%m
month (01..12)
.TP
%M
minute (00..59)
.TP
%n
a newline
.TP
%N
nanoseconds (000000000..999999999)
.TP
%p
locale's equivalent of either AM or PM; blank if not known
.TP
%P
like %p, but lower case
.TP
%r
locale's 12\-hour clock time (e.g., 11:11:04 PM)
.TP
%R
24\-hour hour and minute; same as %H:%M
.TP
%s
seconds since 1970\-01\-01 00:00:00 UTC
.TP
%S
second (00..60)
.TP
%t
a tab
.TP
%T
time; same as %H:%M:%S
.TP
%u
day of week (1..7); 1 is Monday
.TP
%U
week number of year, with Sunday as first day of week (00..53)
.TP
%V
ISO week number, with Monday as first day of week (01..53)
.TP
%w
day of week (0..6); 0 is Sunday
.TP
%W
week number of year, with Monday as first day of week (00..53)
.TP
%x
locale's date representation (e.g., 12/31/99)
.TP
%X
locale's time representation (e.g., 23:13:48)
.TP
%y
last two digits of year (00..99)
.TP
%Y
year
.TP
%z
+hhmm numeric timezone (e.g., \fB\-0400\fR)
.TP
%:z
+hh:mm numeric timezone (e.g., \fB\-04\fR:00)
.TP
%::z
+hh:mm:ss numeric time zone (e.g., \fB\-04\fR:00:00)
.TP
%:::z
numeric time zone with : to necessary precision (e.g., \fB\-04\fR, +05:30)
.TP
%Z
alphabetic time zone abbreviation (e.g., EDT)
.PP
By default, date pads numeric fields with zeroes.
The following optional flags may follow `%':
.TP
\-
(hyphen) do not pad the field
.TP
_
(underscore) pad with spaces
.TP
0
(zero) pad with zeros
.TP
^
use upper case if possible
.TP
#
use opposite case if possible
.PP
After any flags comes an optional field width, as a decimal number;
then an optional modifier, 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.
.SH AUTHOR
Written by David MacKenzie.
.SH "REPORTING BUGS"
Report bugs to <bug\-coreutils@gnu.org>.
.SH COPYRIGHT
Copyright \(co 2007 Free Software Foundation, Inc.
.br
This is free software.  You may redistribute copies of it under the terms of
the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
There is NO WARRANTY, to the extent permitted by law.
.SH "SEE ALSO"
The full documentation for
.B date
is maintained as a Texinfo manual.  If the
.B info
and
.B date
programs are properly installed at your site, the command
.IP
.B info date
.PP
should give you access to the complete manual.