ref: 4cdad07b986ada742ae0198e2bea4208685b500a
dir: /sys/man/1/date/
.TH DATE 1 .SH NAME date, clock \- date and time .SH SYNOPSIS .B date [ .I -unit ] [ .B -f .I format ] [ .I seconds ] .br .B clock .SH DESCRIPTION Print the date, in the format .PP .B Tue Aug 16 17:03:52 CDT 1977 .PP Or the format specified by the format option. The options are .TP .B -u Report Greenwich Mean Time (GMT) rather than local time. .TP .B -n Report the date as the number of seconds since the epoch, 00:00:00 GMT, January 1, 1970. .TP .B -i Report the date as ISO-8601 without time and timezone suffix. .TP .B -t Report the date as ISO-8601 with time and timezone suffix. .TP .B -f Print using the format specified by the .I format string rather than the default. Format strings are in the format used by .IR tmdate (2) .PP The conversion from Greenwich Mean Time to local time depends on the .B $timezone environment variable; see .IR ctime (2). .PP If the optional argument .I seconds is present, it is used as the time to convert rather than the real time. .PP .I Clock draws a simple analog clock in its window. .SH FILES .TF /adm/timezone/local .TP .B /env/timezone Current timezone name and adjustments. .TP .B /adm/timezone A directory containing timezone tables. .TP .B /adm/timezone/local Default timezone file, copied by .IR init (8) into .BR /env/timezone . .PD .SH SOURCE .B /sys/src/cmd/date.c .br .B /sys/src/cmd/clock.c .SH "SEE ALSO" .IR tmdate (2)