The World Clock Meeting Planner

The World Clock Meeting Planner: "The World Clock Meeting Planner

Need to make a call to someone far away? Need to arrange a videoconference, telephone- or net-based meeting with several people spread around the globe? This utility should help you find a convenient time, so that no one has to be up during the middle of the night.

(If you have set the time for the meeting already, use the Fixed Time-tool instead.)
For up to 6 cities, and a greater range of cities, try The Advanced Meeting Planner instead."