to set the system date and time:
1. from the privileged exec mode (#) prompt, enter the clock set command:
switch 8100fl#clock set [hh:mm:ss] [1...31] [month] [year]
2. to verify your settings, enter the show clock command:
switch 8100fl#show clock
the following example shows how to set the clock to 10:45:29 am pst on june 30, 2005, and then verify the settings: