Click on Start Menu and then control penal.
Open Date/Time setting
Adjust correct date and time according to your region.
Open "Internet Time Zone" tab.
Click on "Update Now" button. After clicking on button, It will start synchronzing your timing.
After 7-8 seconds you will see a message, "The time has been successfully synchronized with time.windows.com on 07-07-2013 at 5:09PM.