The International Space Station follows GMT (Greenwich Mean Time), which is 5 hours ahead of ET in the U.S.ĭuring the warmer months, most countries observe Daylight Saving Time, pushing the clock forward an hour to take advantage of additional sunlight. Time zones typically follow longitude, but sometimes they can be a matter of convenience. France has territories all over the world, so it has 12 time zones, the most of any country. But the country and its territories have others, including Hawaii Aleution Time and Alaska Time. The continental United States has four time zones. Without time zones, we might have sunrise at 3 o’clock in the morning! Since the sun can’t rise in every part of the world at once, time zones maintain logical order and regulate day and night across the globe. The sun illuminates the Earth, but only one portion at a time. Time zones were created because of Earth’s rotation. When a television program is advertised with two times at once, it tells viewers in both locations when that show will air. There are 24 time zones around the world. If the area is large enough, a country can have multiple time zones. Central Time (CT)? Time zones are the cause of that, and much more.Ī time zone is a designated area of the globe that shares a standard time. This can include several countries. Have you ever wondered why television shows advertise their air dates with different hours, like 8 p.m. The Magic School Bus Rides Again explores time zones in a new Netflix episode.
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