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The first sundials are from 1500 B.C. from ancient Egypt and Babylon called shadow clocks. The first universal sundial was created by Theodosius of Bithynia. He was a mathematician and astronomer in ancient Greece.
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EzraIt is thought that the first sundial was invented by the Ancient Romans in 440 B.C approx. The inventor of said sundial cannot be determined, but it is thought that the inventor was that of Leonardo da vinci, along with Julius Cesar.
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What did people use in ancient times to tell time?
Sundial
When did Theodosius of Bithynia invent the sundial?
He did it in 1031
When did sundials first originate in history?
It is not known exactly when Sundials first originated. There are records indicating that some type of sundial was used around the year 700 BC. The Greeks were introduced to sundials in 560 BC. But the exact date they were first used in not known.
What did aristarchus invent?
Aristarchus discovered that the Earth is a sphere and that the sun is in the center.
How people tell time in the first century?
The mechanical clock is a medieval invention. The ancient world measured time by sundial and the water clock. Both of these were used by the Babylonians in the second millennium BC and both were improved by the Greeks.
