Access time zone world clocks at websites like TimeAndDate.com, WorldTimeServer.com and WorldTimeZone.com. The map displayed at WorldTimeZone.com shows the delineation of all of the world's time zones and the number of hours each time zone is ahead or behind Greenwich Mean Time (GMT).
The interactive time zone map at TimeAndDate.com allows users to search for any city and pin that city on the map. This map also gives information about the local weather, sunrise and sunset times, and moon phases for each city.
A time zone calculator that automatically determines the difference in time between any two locations is available at WorldTimeServer.com. This website also offers a meeting planner using this time zone calculator to facilitate meetings taking place across the globe.