How to Change the time settings in Windows Vista

On this Monday i purchased a new Notebook Hp Pavilion Dv2762 TX, it has Windows Vista OS. So am Facing a problem there that how to change the time setting from 24hrs to 12hrs. But am not successful to do that. After that I spoke to My Friend Aseem Jha who blogs at CelebFlicker.com. He helped me and here is the quick procedure.

1. In Windows, click the Start button.
2. Click Control Panel, click Clock, Language, and Region.
Note If you are using Control Panel in Classic View, double-click Regional and Language Options, and then skip to step 3.

3. Click Regional and Lanugage Options.
4. Click Customize this format.
5. On the Time tab, do one of the following:
6. Change Time format to HH:mm:ss for a 24-hour clock.
7. Change Time format to hh:mm:ss tt for a 12-hour clock.