In this tutorial we are going to see how to change the system time zone on Windows 8 and Windows 7. Windows 8 users can either use the new option available as part of Windows 8 or the settings that was available in Windows 7 and Windows Vista.
Windows 8 Time zone Option
In Windows 8 Metro style, select Control Panel from the displayed list.
Navigate to General Option under Control Panel
Now pick the required time zone for the Time Zone drop down.
Windows 7 Time zone Option.
System time zone in Windows 7 can be changed using the change date and time settings. Click on the Time display in the task bar, this would display the full time window with a link Change date and time settings.
After clicking the Change date and time settings link the following Date and Time dialog box would appear.
Under the Time Zone section, there will be a button with the label as Change time zone. On clicking button, the Time Zone settings would be displayed and using this you can specify the preferred time zone.
Also See: Date and Time settings in Windows 8