How did ancient civilizations use astronomy to measure time and seasons?
Astronomy is the study of the stars, planets, and other celestial bodies that fill the sky. It is one of the oldest sciences , dating back to ancient times when people observed the heavens for practical purposes such as navigation and agriculture. Ancient civilizations relied upon the apparent motion of these bodies through the sky to determine seasons, months , and years[^1^][1]. One of the most basic ways that ancient people used astronomy to measure time was by observing the cycle of day and night. The sun rises in the east and sets in the west every day, but its position at sunrise and sunset changes throughout the year. By tracking the sun's position along the horizon, people could mark the solstices (the longest and shortest days of the year) and the equinoxes (the days when day and night are equal). These events marked the change of seasons and were important for planning agricultural activities . Another way that ancient people used astronomy to measure time was by observin...