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Used light from the sun and darkness to tell the difference between night and day.
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Egyptians used shadows cast by the sun to tell time. They used 4 sided vertical structures called obelisks as shadow clocks
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Early Egyptians, Greeks and Chinese used water clocks to measure the amount of time that had passed.
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Babylonia started to used sundials to tell time
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Europeans began using hourglasses that used sand to measure time.
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The first mechanical clocks were invented. They used used weights and balances to tell time.
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First handheld watches are created in Italy.
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Pendulums are added to mechanical clocks to make them more accurate.
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Standard time is invented to divide the earth into 24 equal time zones
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This was created to have a more accurate way to tell time
