Question

When the fist clock was invented how did that person know what the time was ?
Please answer ​

Answer 1

Answer:

by basing on the motion sun by that shawdow of the clock will be moved

Answer 2

Answer:

the first clocks measured time by following the sun. From there the Greeks invented water clocks and also mechanical clocks, though the details of these are lost until the modern era with several types of mechanical clocks. When they set the time they would as always look at the noon to set what the is going to be.