See Using Your Assigned Administrative Rights in Securing Users and Processes in Oracle Solaris 11.3.
$ date mmddHHMM[[cc]yy]
Month, using two digits
Day of the month, using two digits
Hour, using two digits and a 24-hour clock
Minutes, using two digits
Century, using two digits
Year, using two digits
For more information, see the date(1) man page.
The following example shows how to use the date command to manually set the date and time of a system.
# date Monday, September 13. 2010 02:00:16 PM MDT # date 0921173404 Thu Sep 17:34:34 MST 2010