When did the zodiac change?

These twelve constellations do exist in the sky. Since ancient times, people have learned to understand the changes of time and seasons according to the movement of stars, and at the same time, they also use the movement of stars for divination. For this reason, people divide the main stars floating in the night sky into several groups and name them XXX constellation. The ancient Greeks used fairy tales to determine the constellations, and specially called the constellations around the ecliptic (the path through which the sun passes) the twelve stars of the ecliptic, also called the zodiac 12 palace.