From FI:
"The ancient Egyptians built tall stone towers called obelisks. Everybody could tell the time by looking at the obelisk's shadow. Obelisks were sometimes called Cleopatra's Needles."
Sundials
sundials
Sundials were not discovered. They were invented in ancient China/India.Answer 2:The Egyptians and/or Babalonians invented the first sundials.
The Ancient Egyptians developed sundials.
There have been many cultures use the sundials over the years. The Egyptians and Mayans both used the sundials. The American government used sundials in the 1830's.
Because they didnt have that kind of technology yet!
The egyptians used sundials to tell time.
The Ancient Egyptians had a few devices which they used to tell time. These devices included water clocks, sundials, and obelisks.
The first sundials are believed to have been used around 1500 BC in ancient Egypt. These early sundials consisted of a stick or pillar that cast a shadow to indicate the time of day based on the sun's position.
They didn't make watches,the made sundials,and they were probably made of rock or clay.
The two types of sundials are altitude and azimuth sundials.
the egyptians called it the red one