OPEN BSD
You can set date and time using date command. OpenBSD date command uses following syntax:
date yyyymmddhhss
where,
=> yyyy - Year
=> mm - Month
=> dd - Day
=> HHSS - Hour Second in 24 clock format
Set the date to April 23, 1979, 4:27 PM, enter:
# date 197904231627
Set the time to 2:32 PM, without modifying the date, enter
# date 1432
To display current date and time, enter date command without option:
$ date => Sat Apr 3 11:06:51 IST 2008
Display the date using the specified format string:
$ date "+DATE: %Y-%m-%d%nTIME: %H:%M:%S" =>
DATE: 2008-05-03
TIME: 11:07:55