There's another reason why some countries and states follow a different time zone. As a result, there are more time zones that nations and states follow. Since some countries did not follow the standard time, additional time zones were created.
Other nations only adopted the systems using smaller increments like 15-30 minutes instead of one hour. For instance, China follows only one time zone instead of three standard time zones. They continue to use their times until today. However, some countries like China did not accept the idea of standard time right away. If all countries follow the standard time, there will only be 24 official timezones. Why Do Countries Change Their Time Zones? When you move to the east, the time zone becomes an hour later. As you move to the west, the time zone becomes one hour earlier. Greenwich Mean Time (GMT) is the time zone followed in Greenwich. This place is a suburb in London where the imaginary dividing lines begin. On the other hand, longitude refers to the angular distance between a point on any meridian and the prime meridian at Greenwich. The prime meridian refers to the longitude’s primary dividing line. As a result, they have created the standard time to divide the Earth into 24 sections or time zones.Įvery time zone is 15 degrees of longitude wide. In the 1800s, scientists used a new system for time zones based on the degrees of rotation and longitude. Many time zones were created before, confusing travelers about the time. Without it, noontime will be morning or even evening in other places. The Earth’s rotation is the primary cause why countries follow different time zones. As the Earth rotates into the sunlight, you’ll see the sunrise, whereas rotating out of the sunlight is where you see the sunset.
As the planet rotates, some places receive sunlight or darkness, resulting in day and night.
COUNTRY TIME ZONES FULL
It completes a full rotation every 24 hours. You have learned in your science class that the Earth rotates. Earth’s Rotation and the Time Zones in the World Find out why some countries and states change their time zones. Have you ever wondered what causes the difference in time zones? There are different time zones in the world, and some countries change clocks in a certain period. It could be a day in your area while it is still night in other countries. It is indeed remarkable how people live on the same planet but experiences different times. Of If you look at the clock and ask someone from another side of the world what time it is, you'll notice that there’s a big difference.
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