Why is beginning of spring on February 4th and beginning of spring on February 4th every year?

Beginning of spring is the 24th, beginning of spring is the 4th of February, and beginning of spring is the 4th of February every year. When the sun reaches 3 15, the first solar term is called qi. Beginning of spring is one of the important traditional festivals of the Han nationality.

"Li" means "start". Since the Qin Dynasty, China has always regarded beginning of spring as the beginning of the Meng Chun season. Beginning of spring is divided from astronomy, with spring flowers and flowers; Spring is growth, cultivation and sowing.

The year is based on the twenty-four solar terms determined by the position of the sun, so the twenty-four solar terms are a complete solar calendar and the most accurate and complete solar calendar in the world, and the position of each solar term relative to the sun is not bad every year.

As one of the "twenty-four solar terms", beginning of spring, like Changsha, beginning of autumn and beginning of winter, reflects the changes of all seasons. Beginning of spring means that the winter when everything is closed has passed, and it has begun to enter the spring when everything is warm and sunny.