1, the winter solstice is an important festival among the 24 solar terms around1February 22nd every year. The winter solstice, commonly known as "winter festival", "long solstice festival" and "sub-year", is the earliest solar term among the 24 solar terms. It originated in the Yin and Zhou Dynasties and is equivalent to the Spring Festival. After the implementation of the summer calendar, the winter solstice and the New Year will come.

2. The winter solstice is the fourth of the six solar terms in winter, which are beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold. Beginning of winter means the arrival of winter. According to science, the winter solstice is the shortest day and the longest night in the northern hemisphere all year round. After the winter solstice, the days will get longer and the nights will get shorter. In ancient China, it was said that when the cathode arrived, the yang began to grow, the sun went south, the day was short, and the shadow was long, so it was called the "winter solstice". After the winter solstice, the climate everywhere has entered a coldest stage.