By craping on a stick and yelling " I like turtles!"
Sundials are normally made of metal, however the materials may vary. Sundials were thought to be used in around 3500 BC.
Some sources for of measuring time in the past were sundials, and hourglasses
made out of bronze or clay something like that
By sundials, hour glasses, water clocks and astrolables.
The two types of sundials are altitude and azimuth sundials.
Rock. Stone. Metal. It's the DESIGN that makes them work!
Time was measured by the "rise" and "fall" (the arc) of the sun. Eventually, sundials were used. Only in the past several hundred years have timepieces been made by humans for human use.
Sundials require sunlight.
There is no specific date stated as to when sundials were first used.
we have to adjust sundials to see the shadow and time
Sundials were used to tell time, back without watches.
They didn't make watches,the made sundials,and they were probably made of rock or clay.