date(1) General Commands Manual date(1) NAME date - Print or set the system date and time SYNOPSIS 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] DESCRIPTION Print or set the system date and time OPTIONS -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] VERSION v0.0.26 date 0.0.26 date(1)