In a recent post I discussed using Google search to check international time zones and (hopefully) avoid trying to contact your collaborators in the middle of the night. If you share information with people in other parts of the world, you might like to take advantage of another helpful feature too, this time belonging to Google Calendar.
To make use of Calendar’s World clock, you’ll first need to start the Labs feature in Google Calendar (you can do so from from the cogwheel icon). With Labs open, scroll down and check Enable for World clock. Returning to Calendar, you’ll see the clock open in a column to the right.
By clicking on the Settings link in this column you can customize which locations are listed, simply by checking the ones you want:
Notice that the clock entries are shown reversed (white on black) for locations that are currently in (or nearly in) the dark! , You can also click on any event and the world clock will show the corresponding time across the listed timezones: