Wed Jan 12 11:54:06 GMT 2002

The options are

-u

Report Greenwich Mean Time (GMT) rather than local time.

-n

Report the date as the number of seconds since the epoch, 00:00:00 GMT, January 1, 1970.

Current time is obtained by reading /dev/time. The conversion from Greenwich Mean Time to local time depends on the contents of /locale/timezone.

If the optional argument seconds is present, it is used as the time to convert rather than the real time.

/locale/timezone

Current time zone name and adjustments

/locale

A directory containing time zone tables

/dev/time

microseconds since the epoch, 00:00:00 GMT, 1 January 1970