Windows 7 and Vista include an enhancement to the system clock that lets you display 2 additional clocks when you hover your mouse over the system clock.

Here’s an example of the London clock in Vista:

And here’s the hover clock in Windows 7:

Adding these additional clocks is extremely easy. First right-click on the clock in the system tray, and choose Adjust Date/Time: 

Click the Additional Clocks tab, and select the options and time zone as shown:

You can enter a friendly display name. I entered “London”, but you could put something relevant to you, like the name of a family member living elsewhere. 

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Lowell is the founder and CEO of How-To Geek. He’s been running the show since creating the site back in 2006. Over the last decade, Lowell has personally written more than 1000 articles which have been viewed by over 250 million people. Prior to starting How-To Geek, Lowell spent 15 years working in IT doing consulting, cybersecurity, database management, and programming work.
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