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We have time zones because the earth is constantly rotating on its axis. If every person set their clocks at the same time, midnight will be in one side of the globe, and daylight would be on the other side. To avoid this problem, we have time zones. These generally follow imaginary lines or longitudes running from the North Pole to the South Pole. There has been 24 different kinds of time zones and each of 15 degrees longitude and an hour apart from each other. Those on the east side are ahead one hour, and those who are on the west side are behind one hour.

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14y ago

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