Worldclock with gdesklets
Working with people around the world, I often ask myself what time is it where X is? How long Y will be available? Until when Z will be pestering me? Although there are plenty of web sites that give you that information (I particularly like the worldclock from time and date.com), this kind of information is something I want directly available on my desktop, especially when I’m using IRC – our primary mode of instant communication in W3C.
So, using a Gnome desktop, I installed a set of 4 clocks on my desktop set on the timezones of the people I work the most often with… Et voilà !