date - Print or set the system date and time
date [-d|--date] [-f|--file]
[-I|--iso-8601] [-R|--rfc-email]
[--rfc-3339] [--debug] [-r|--reference]
[-s|--set] [-u|--universal]
[-h|--help] [-V|--version] [format]
Print or set the system date and time
- -d,
--date=STRING
- display time described by STRING, not 'now'
- -f,
--file=DATEFILE
- like --date; once for each line of DATEFILE
- -I,
--iso-8601=FMT
- output date/time in ISO 8601 format.
FMT='date' for date only (the default),
'hours', 'minutes', 'seconds', or 'ns'
for date and time to the indicated precision.
Example: 2006-08-14T02:34:56-06:00
[possible values: date, hours, minutes, seconds,
ns]
- -R,
--rfc-email
- output date and time in RFC 5322 format.
Example: Mon, 14 Aug 2006 02:34:56 -0600
- --rfc-3339=FMT
- output date/time in RFC 3339 format.
FMT='date', 'seconds', or 'ns'
for date and time to the indicated precision.
Example: 2006-08-14 02:34:56-06:00
[possible values: date, seconds, ns]
- --debug
- annotate the parsed date, and warn about questionable usage to stderr
- -r,
--reference=FILE
- display the last modification time of FILE
- -s,
--set=STRING
- set time described by STRING
- -u,
--universal
- print or set Coordinated Universal Time (UTC)
- -h, --help
- Print help
- -V, --version
- Print version
- [format]
-