Microsoft Windows Vista and Windows 7 support the ability to have multiple clocks with different time zones, as shown in the below example, which shows the local time, Eastern Time, and time in India.



To add more than one clock, click the change date and time settings... and so within the Date and Time window, as shown below click the additional Clocks tab. within the additional Clocks tab, check the primary Show this clock box, then choose the time zone for the second clock, and therefore the name of the clock. If you wish quite 2 clocks repeat constant steps for the third clock. Once all clocks are enabled click OK and currently once hovering over the time and date within the Taskbar or clicking on the time you must see all new time zones.