Imagine Earth is like a giant clock, and different parts of it are on different hours. Time zones help us know what time it is where we are.
Earth spins around once every 24 hours, so the sun shines on one part at a time. That’s why it's daytime in some places and nighttime in others. But when Earth spins, not all parts move at the same speed, kind of like how different kids run at different speeds during relay race.
Like a Relay Race Around the World
Think of time zones as slices of a pizza. There are 24 slices, one for each hour of the day. As Earth turns, each slice gets its turn to be in sunlight. When it’s noon in one place, it might still be morning somewhere else.
For example, if you're in New York and your friend is in London, when it's 10 a. m. in New York, it might already be 2 p. m. in London, because London has had its turn in the sunlight earlier.
It’s like having different parts of a classroom each doing their own activity at different times, but everyone still knows what time it is in their part of the room! Imagine Earth is like a giant clock, and different parts of it are on different hours. Time zones help us know what time it is where we are.
Earth spins around once every 24 hours, so the sun shines on one part at a time. That’s why it's daytime in some places and nighttime in others. But when Earth spins, not all parts move at the same speed, kind of like how different kids run at different speeds during relay race.
Examples
- Using a globe, the class moves around to see how time changes depending on their position.
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See also
- How Does The world's silliest time zones Work?
- How Does the Earth's Rotation Affect Time Zones Exactly?
- How Does These Are the World's Strangest Time Zones Work?
- Why Does Australia Have This Very Weird Time Zone???
- Why Are Time Zones So Weird?