1. the Winter Solstice is a very important solar term in the China lunar calendar and belongs to the Chinese nation. it is a traditional festival, commonly known as "winter festival", "long solstice festival" and "sub-year old". as early as the spring and autumn period more than 2,5 years ago, China observed the sun with Tugui and determined the winter solstice, which was the earliest among the 24 solar terms. In most parts of northern China, there is also the custom of eating jiaozi and dumplings in the south on this day. There is a proverb: when the winter solstice comes, eat dumplings, and there are poems and film and television works about this solar term.

2. The winter solstice is one of the twenty-four solar terms and one of the most important solar terms. Before the winter solstice is heavy snow (December 7-9), after the winter solstice is slight cold (January 4-6), and the winter solstice is December 21-December 23.

3. The ancients said that the winter solstice is called "Winter Solstice" because when the cathode arrives, the yang begins to grow, when the sun goes south, the day is short and the shadow is long.