![]() ![]() The prime meridian is used as a reference point for time zones, and the Earth is divided into 24 time zones that are each 15 degrees of longitude wide.įor example, New York City is located at about 74 degrees west longitude, which is 4 hours behind Greenwich Mean Time (GMT), the time in the prime meridian. Longitude is a measure of how far east or west a location is from the prime meridian, which is an imaginary line that runs from the North Pole to the South Pole and passes through Greenwich, England. Time zones are determined by the longitude of a location. Since the Earth is divided into 24 time zones, each one represents a one-hour difference in time from the time zone next to it. Time zones are based on the fact that the Earth rotates around its axis, which causes the sun to appear in different positions in the sky depending on your location. Our Time Zone Conversion Calculator is always here to help when you need an accurate and hassle-free way to find the time in another part of the world.Įst to CET Converter What is a time zone?Ī time zone is a geographic region where all the clocks are set to the same time. These problems are difficult to solve by hand. Over time, you may find that you can quickly calculate time differences in your head or with the help of a simple clock or watch. Practice makes perfect: The more you work with time zone conversions, the easier they will become.Make sure to adjust your calculation accordingly if either the starting or destination time zone is currently observing daylight saving time. Double-check for daylight saving time: As mentioned earlier, some time zones observe daylight saving time, which can add or subtract an hour from the standard time.Be sure to account for any potential "wrap-around" when crossing the International Date Line or switching between AM and PM. ![]() Add or subtract the time difference: Once you know the time difference, simply add or subtract it from the local time in the starting time zone.Keep in mind that some time zones may also observe daylight saving time, which can affect the offset. This is typically expressed as a positive or negative offset from Coordinated Universal Time (UTC). Determine the time difference: First, you'll need to find out the difference in hours (and sometimes minutes) between the two time zones.Here are some tips for converting time between time zones on your own: To Time Zone: Convert Time Tips for doing this type of conversion on your own:Īlthough our calculator makes time zone conversions quick and easy, it's also helpful to know how to perform these calculations manually. ![]()
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