Use the map below to figure out what time it is in different parts of the world.
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| https://sites.google.com/site/mrbrocksclasses/home/seventh-grade-us-history/lab-activity-chart |
The Earth is divided into 24 time zones. This is because the Earth takes about 24-hours to rotate once on its axis over the course of one day--or 24 hours.
The International Date Line, which is to the left of Alaska above, is located on the 180° meridian. The International Date Line is where you would either gain or lose a day depending on which direction you're traveling. If you are heading west and cross the International Date Line, you will gain a day; if you are traveling east, you will lose a day.
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