How Do Computers Actually Know What Time It Is?

Computers have a special tiny clock inside them that tells them what time it is. It's like having a little watch in your phone or computer that keeps ticking even when the screen goes off. Sometimes, the big clock on the internet helps them check if they're right.

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Examples

  1. Your phone knows the time even when you're asleep because it has a tiny clock inside.
  2. Sometimes your computer checks the internet to see if it’s telling the right time.
  3. You can set your clock manually, like how you change your watch on New Year's Eve.

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