Use the ‘date’ command.
admin>> help date date : sets the local system time Usage : date Month day, year hour:min:sec e.g., January 30, 2008 22:14:00 Note : Please use Universal Coordinated Time (UTC), not your local time zone admin>>
Example:
admin>> date Tue Aug 6 14:38:57 UTC 2013 admin>> date Tue Aug 6 14:38:00 UTC 2013 Tue Aug 6 14:38:00 UTC 2013
or admin>>date Mon Jul 13 21:15:00 UTC 2015 admin>>date -u 071321152015.00
(month = 07, day = 13, hour = 21, min = 15, year = 2015, seconds = .00