How Do We Know What Time It Is in Different Places?

Imagine the Earth is like a pizza. When one slice is facing the sun, it’s daytime there, but other slices are in the dark! People needed a way to know when it was morning, noon, or night where they were, so they made time zones like slices of pizza. That’s how we keep track of time in different places.

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Examples

  1. When it's lunchtime in your town, someone on the other side of the world might be sleeping.
  2. You text a friend who is halfway around the globe and they reply when you're already in bed.
  3. School starts at different times for kids living in different places.

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