This document was created by man2html using the manual pages.
Section: User Commands (1)
Updated: April 2002
Index Return to NetAdminTools
NAMEdate - print or set the system date and time
SYNOPSISdate [OPTION]... [+FORMAT]
date [-u|--utc|--universal] [MMDDhhmm[[CC]YY][.ss]]
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
- -ITIMESPEC, --iso-8601[=TIMESPEC]
- output date/time in ISO 8601 format. TIMESPEC=`date' for date only, `hours', `minutes', or `seconds' for date and time to the indicated precision. --iso-8601 without TIMESPEC defaults to `date'.
- -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
- display this help and exit
- 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 %
- locale's abbreviated weekday name (Sun..Sat)
- locale's full weekday name, variable length (Sunday..Saturday)
- locale's abbreviated month name (Jan..Dec)
- locale's full month name, variable length (January..December)
- locale's date and time (Sat Nov 04 12:02:33 EST 1989)
- century (year divided by 100 and truncated to an integer) [00-99]
- day of month (01..31)
- date (mm/dd/yy)
- day of month, blank padded ( 1..31)
- same as %Y-%m-%d
- the 2-digit year corresponding to the %V week number
- the 4-digit year corresponding to the %V week number
- same as %b
- hour (00..23)
- hour (01..12)
- day of year (001..366)
- hour ( 0..23)
- hour ( 1..12)
- month (01..12)
- minute (00..59)
- a newline
- nanoseconds (000000000..999999999)
- locale's upper case AM or PM indicator
- locale's lower case am or pm indicator
- time, 12-hour (hh:mm:ss [AP]M)
- time, 24-hour (hh:mm)
- seconds since `00:00:00 1970-01-01 UTC' (a GNU extension)
- second (00..60)
- a horizontal tab
- time, 24-hour (hh:mm:ss)
- day of week (1..7); 1 represents Monday
- week number of year with Sunday as first day of week (00..53)
- week number of year with Monday as first day of week (01..53)
- day of week (0..6); 0 represents Sunday
- week number of year with Monday as first day of week (00..53)
- locale's date representation (mm/dd/yy)
- locale's time representation (%H:%M:%S)
- last two digits of year (00..99)
- year (1970...)
- RFC-822 style numeric timezone (-0500) (a nonstandard extension)
- 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
- Specifies the timezone, unless overridden by command line parameters. If neither is specified, the setting from /etc/localtime is used.
AUTHORWritten by David MacKenzie.
REPORTING BUGSReport bugs to <email@example.com>.
COPYRIGHTCopyright © 2002 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.
SEE ALSOThe 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.
Return to NetAdminTools,