Sets the date and time on the router. It is important to configure your date and time in order to properly manage logs.
Router# clock set hh:mm:ss DAY MONTH YEAR
Router# clock set hh:mm:ss MONTH DAY YEAR
In the below example the clock set command is used to set the time.
R1#clock set 15:37:00 30 NOV 2008 R1# *Nov 30 15:37:00.000: %SYS-6-CLOCKUPDATE: System clock has been updated from 00:39:07 UTC Fri Mar 1 2002 to 15:37:00 UTC Sun Nov 30 2008, configured from console by console.
Now to check the time, the show clock command is used
R1#show clock 15:41:32.883 UTC Sun Nov 30 2008