What day of the year has the longest night?

The "winter solstice" solar term is the longest night and the shortest day in a year, and the coldest day of a year begins.

Winter solstice is one of the traditional festivals of the Chinese nation. More than 3,000 years ago, the ancients observed the sun through Tugui, and determined the arrival time of the winter solstice solar terms, which was between 0 and 23 in Gregorian calendar 65438+February 265438. The winter solstice is the shortest day and the longest night in the northern hemisphere all year round, which indicates the official arrival of winter. After that, the days will get longer and longer, which is the solstice of winter.

The Winter Solstice Festival originated in the Han Dynasty, flourished in the Tang and Song Dynasties, and continues to this day. The ancients believed that since the winter solstice, the yang of heaven and earth has gradually become stronger, representing the beginning of the next cycle, which is a lucky day. Therefore, in the future, most customs such as Spring Festival, ancestor worship and gathering will choose the winter solstice. In this way, among the people, the solstice of winter has the name of "off-year".

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The custom of winter solstice

1, eat wonton

Wonton is a popular food in the north, and there is an old saying in old Beijing that "Wonton lasts from winter to the sun, and it lasts from summer to the sun". It is said that during the Han Dynasty, the northern frontier was often invaded by Huns, and the people's lives were restless.

At that time, there were two leaders of Xiongnu tribe, Xiongnu and Tun. They were very cruel and killed innocent people. People hate it, so they wrap it into noodles with meat stuffing, call it "wonton" with the sound of "muddy" and "swallowing", and vent their hatred by eating indiscriminately.

Step 2 eat dog meat

The custom of eating dog meat in winter originated from the Han Dynasty. According to legend, on the solstice of winter, the butcher Fan Kuai cooked a pot of dog meat and presented it to his good brother Liu Bang in the palace. After Gaozu ate it, he was full of praise and repeatedly said that "the most beautiful food in the world is dog meat".