What crucial agricultural baseline was established by noting the Sun's rising and setting points on solstices and equinoxes?

Answer

A solar year calendar essential for agricultural planning.

By marking the annual extremes of the Sun's path on the horizon, ancient observers created the baseline solar calendar needed to time agricultural activities.

What crucial agricultural baseline was established by noting the Sun's rising and setting points on solstices and equinoxes?

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The History of Astronomy in the Ancient World - YouTube

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