Question

Explain how in ancient time a day, a month,a year was measured

Answer 1

Explanation:

There was another more advanced shadow clock or sundial in use by the ancient Egyptians around 1500 BC. This shadow clock or sundial permitted one to measure the passage of hours within a day. Another very early form of clock to tell the time was the water clock. The water clock was used by the ancient Greeks.

Answer 2

Answer:

Our ancestors noticed that many events in nature repeat themselves after definite intervals of time. The time between one sunrise and the next was called a day. Similarly, a month was measured from one new moon to the next. A year was fixed as the time taken by the earth to complete one revolution of the sun.