Us time zone map and clock8/15/2023 ![]() ![]() If you know the big game starts at 5 p.m. Since the sun rises in the east, the Eastern time zone is always the latest in the day. The Eastern, Central, Mountain and Pacific time zones are each an hour apart. There are also time zones for Alaska and Hawaii. The continental United States is divided into four time zones: Eastern, Central, Mountain and Pacific. These time zones were officially adopted by the U.S. This helped them coordinate train schedules and gradually this system began to be used by everyone. ![]() In 1883, the major railroads coordinated to develop four standard time zones across the United States. However, with the development of train travel, it became clear that something had to be done. When you arrived at a new town, you’d just adjust your watch. This confusion didn’t matter very much when everyone traveled by walking or horseback. It was super confusing.īy the early 1880s, there were more than 144 local times in the United States! Throw in the different seasons, clock variations and other factors, and it was a big mess. ![]() is sunrise, but because of their location, sunrise didn’t actually happen at the same time as the other town. Another town might decide that sunrise is at 7:30 a.m. THE HISTORY OF TIME ZONESīefore the days of trains and airplanes, most communities set their clocks to whatever made sense for their location. People living on the East Coast of the United States will see the sun rise before people living on the West Coast. However, this doesn’t happen at the same time in every location. The rotation of the earth makes it appear that the sun rises in the east, moves across the sky and sets in the west. Understanding time zones and how they work is important, especially if you don’t want to miss the start of the big game or other live events.
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