Why is beginning of spring the beginning of the Spring Festival, not the first day of the first month?

These two definitions are different. Beginning of spring is the first of the 24 solar terms, and beginning of spring is just the beginning of spring, because beginning of spring used to be called "Spring Festival", and the first day of the first month is the beginning of a new year.

Beginning of spring, one of the 24 solar terms, is also called the Spring Festival, the First Month Festival, the New Year Festival and the New Year Festival. Standing means "start"; Spring represents warmth and growth. In ancient times, the method of "bucket handle Acupoint" used bucket handle and the Big Dipper in beginning of spring to point to Yin. The current method of "fixing qi" divides solar terms, and beginning of spring is when the sun reaches longitude 3 15. In the era of cadres and branches, taking beginning of spring as the beginning of a year, beginning of spring means that a new cycle has begun, which means that everything is the beginning and everything is rebirth.

The first day of the first lunar month is the beginning of the year, month and day of the lunar calendar, which is the first day of the first lunar month; Because it is the first Shuori, it is also called "Yuanshuo". Spring Festival, commonly known as Chinese New Year, is the most important and grand traditional festival in China. The main folk activities include New Year greetings, setting off firecrackers, posting Spring Festival couplets and giving lucky money. Du Taiqing of Sui Dynasty said in Jade Candle Collection: "The first month is the end of the month, and the first day is the day of Yuan, which is also the cloud of Yi Yun and Yuan Shuo."

The first day of the first month is a year's yuan, the first month of the lunar calendar is a day's yuan, so it is called "three yuan"; Because this day is still the old dynasty, the moon dynasty and the Japanese dynasty, it is also called the "three dynasties"; Because it is the first Shuori, it is also called "Yuanshuo". On the first day of the first month, there are other nicknames such as Shangri-La, Zheng Chao, Sanshuo and Shisan, meaning that the first day of the first month is the beginning of the year, month and day.