Why Do We Have Time Zones?

Imagine the whole world uses one clock. That would be confusing! When it’s morning in New York, it might still be night in London. Time zones help people know what time it is where they are. They divide the Earth into different areas with their own clocks.

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Examples

If you live in New York and call your friend in London at 10 AM, it’s actually midnight there.
School starts at 8 AM for kids in Tokyo, but it's still dark outside in Brazil.
Your parents might get confused if they watch a movie that was filmed in another time zone.

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Categories: History · Time,Clocks,Geography