For how long have people been using the motions of Earth, the Moon, and the Sun to keep track of the passage of time?

Question

For how long have people been using the motions of Earth, the Moon, and the Sun to keep track of the passage of time?

Accepted Answer

Ancient stone calendars are preserved from at least 4,500 years ago. By then, clearly, humans had organized into civilizations and had already established an organized method of keeping track of the passage of time.

Earth and the Moon

Clocks and Calendars

For how long have people been using the motions of Earth, the Moon, and the Sun to keep track of the passage of time?