Social Sciences, asked by hemrajbalwal, 9 months ago

why and how do we providise a time in history
class 8th

Answers

Answered by harshu994
1

Answer:

Measuring time by the Sun, the Moon and the Stars. As the sun moves across the sky, shadows change in direction and length, so a simple sundial can measure the length of a day. It was quickly noticed that the length of the day varies at different times of the year.

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