Is the Zodiac a traditional culture in China?

China's Zodiac culture is a part of China's traditional culture. The zodiac calendar began in the Eastern Han Dynasty. A letter written by Yuwen Hu's mother is recorded in the Biography of Northern History Yuwen Hu, which says: "Your brother was born in Wuchuan Town. The first one is a mouse, the second one is a rabbit, and you are a snake." Explain the folk usage of 12 zodiac at that time. According to our ancient books, the chronology of branches and branches was originally used in ancient Central Plains.