Step 1 - Click on the time and date part present in taskbar. Then click on Change date and time settings.
Step 2 - A new window will open named as Time and date in which click on the Additional clocks tab..Check both the Show this clock boxes and using drop down menu select your desired Time Zone and then enter dislpay name.
Step 3 - Click on Apply button and then OK. That's all the work has been done. Here is the preview -