How To change time?

what command must i use to change time ?

I think you can use hwclock with root access.

thanks man for help i will try

man date

type date to see the current date

i.e. %> date
Thu Dec 15 10:33:56 PST 2005

Then, to change it, type this:

%> date --set='Thu Dec 15 11:33:56 PST 2005'