Who First Invented Sundial?
The Mathematician and Astronomer Theodosius of Bithynia ( C. 160 Bc to C. 100 Bc) Is Said to Have Invented a Universal Sundial That Could Be Used Anywhere on...
The mathematician and astronomer Theodosius of Bithynia ( c. 160 BC to c. 100 BC) is said to have invented a universal sundial that could be used anywhere on Earth. The Romans adopted the Greek sundials, and the first record of a sundial in Rome is 293 BC according to Pliny.
What was the first sundial?
The first device for indicating the time of day was probably the gnomon, dating from about 3500 bce. It consisted of a vertical stick or pillar, and the length of the shadow it cast gave an indication of the time of day. By the 8th century bce more-precise devices were in use.
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When was the sundial discovered?
The oldest known sundial was made in Egypt in 1500 BC.
Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.
