The Time Zone converter is able to show you the differences in time zones around the world. Want to know what the difference in time is between the UK and Venustiano Carranza in Mexico? This tool will help you. The converter will also take into account daylight saving time which allows you to enter into a specific time to convert and can be used in a variety of cities and countries around the world.
A time zone calculator is useful when you are using a packing list maker. You can give a note to remind yourself how far forward or back you'll need to set your watches when you reach your destination. Otherwise, you run the risk of being out-of-sync with the city you are visiting on your trip.