What do you mean beginning of winter is Yin?

This is a folk saying that it is cloudy at the beginning of winter and should not be sunny. If it was cloudy in early winter, it wouldn't be so cold all winter.

After the first frost, the cold is already heavy, so the furnace opening date is generally in the early October of the lunar calendar. "The Chronicle of Jingchu" contains: "The Bailu Cave in Lushan Mountain is crowded with tourists. Every winter, it is called the Black Gold Society. On the day of October, the wine was ordered as a heater. " Generally, in Peiping, a furnace is set up to heat the kang on the first day of October, which is called the furnace opening festival, and the heater is not removed until the first day of February of the following year.

Heaters are usually made of a refractory mineral, which is whiter, lighter, warmer and stronger than ettringite. Later, the heater was made of thin iron. "Miscellaneous Notes on Years Old" said that when Beijingers drink on the first day of October, they roast large pieces of meat in the stove and eat while drinking around the stove, which is called "heater".

The Book of Rites and the Moon Order records that there will be a heater meeting in October. Kunshan, Jiangsu, Taiping, Anhui, Zhongxiang, Hubei and other places also began to use fire to keep out the cold at the beginning of the month. In the meantime, they sell cakes for food or drink to hold a warm party.

Mutton is sweet in taste, hot in nature, and belongs to fire. It can tonify yuan and help yang, treat physical weakness and emaciation, keep out cold and benefit qi, and has a strong nutritional function. Mutton after autumn and winter tastes particularly delicious. In China, besides sleeping in the Great Wall, in Inner Mongolia and Tibet, people usually eat mutton in late autumn in beginning of spring. For example, in Changxing, Zhejiang Province, shops have set up stalls to slaughter sheep for sale in August of the lunar calendar.

There is a folk proverb, "On the first day of the month, the sheep will have an operation." . "It didn't stop selling until after New Year's Eve. There are many sheep in Taihu Lake basin. In winter, mutton is also in season.

In the dead of winter, after the busy farming, farmers should check and repair all farm tools in their leisure time. If it is found to be damaged or unusable, it should be repaired or added immediately, so as not to delay the farming season next spring. In the Book of Rites, there was a month in winter when "the peasants were ordered to put aside their farming, repair their tricks and have farm tools". That's what I'm saying.

Zhanjiang daily-solar terms and traditional customs in early winter