Setting the time of your system

Lots of the task your Linux machine are controlled by the time, things like cron jobs, emails' Date, file's dates, so it is really important to have your computer's clock on time.

Setting the time using Gnome

If you are using Gnome you can set the time this way.

Right click on your clock applet, should be in the upper-right corner of you screen, you will be asked for the password needed to gain root rights, and then you will see this screen: