How Did the First ‘Clocks’ Help People Measure Time?

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.

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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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Categories: History · Timekeeping,Ancient History,Inventions