FoxClocks firefox add-on
FoxClocks is a free firefox add-on FoxClocks to display world times in your statusbar (or any toolbar).you can just have your local time in your statusbar. Or you can keep an eye on the time around the world with multiple clocks. You can set each clock’s colour individually, or have a clock change colour during certain hours.choose from a set of useful standard formats, or create your own – custom formats are easy to create and very flexible.
FoxClocks is available in English (British and US), Belarusian, Chinese (Simplified), Czech, Danish, Dutch, French, German, Hungarian, Italian, Japanese, Korean, Mongolian, Norwegian (Bokmål), Polish, Portuguese (Brazilian), Russian, Slovak, Spanish, Turkish and Ukrainian.