Long ago, people used simple ‘clocks’ to know when it was time for dinner or bedtime. One of the first clocks was like a big shadow game, they watched how sunlight moved across stones or sticks in the ground. Later, water and sand helped them count hours without looking at the sun.
Examples
- A kid uses a stick in the playground to know when it's time for lunch.
- A farmer checks how much water has flowed out of a clay pot to decide when to start harvesting.
- A child turns over an hourglass with sand and knows when their game should end.
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See also
- How Did Ancient Civilizations Measure Time Without Clocks?
- How Did Ancient Civilizations Keep Time?
- How Did Ancient Civilizations Track Time?
- How Did the First People Measure Time Without Clocks?
- How Did People Measure Time Before Clocks?
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