1, Winter Solstice is one of the 24 solar terms, which is a very important solar term in the China lunar calendar and also a traditional festival of the Chinese nation, commonly known as "Winter Festival", "Long Festival" and "Asian New Year".

2. As early as the Spring and Autumn Period more than 2,500 years ago, China has determined the time point of the winter solstice by observing the sun with Tugui, which is the earliest one of the 24 solar terms, and the time is about between the solar calendar1February 2 1 day and 23rd every year. At the same time, the day of the winter solstice is the shortest day and the longest night in the northern hemisphere all year round.

3. In most parts of northern China, there is also the custom of eating jiaozi and dumplings in the south on the winter solstice. Proverb: When the winter solstice comes, eat dumplings. As the saying goes, "the winter solstice is like a year."

4. According to textual research, as far back as the Zhou Dynasty, November (lunar calendar) was taken as positive; The Qin dynasty followed its system, and it ended at the beginning of the year, which was called "a small year"; After the Song Dynasty, the winter solstice has become a festival to worship ancestors.

5. In Qing Jia Lu, there is also the saying that the winter solstice is as big as a year, which is enough to show that the ancients attached great importance to the winter solstice. Also closely related to the Winter Solstice is the Jiujiu Song, which has been circulating in Beijing for hundreds of years. From the end to that day, nine days will be a unit, counting nine days in a row, and by 99 * * * 81 days, winter will have passed.