Start winter science knowledge.

Beginning of winter's popular science knowledge: beginning of winter solar terms Among the traditional 24 solar terms in China, the arrival of beginning of winter means that all parts of China have officially entered the winter, which also represents the beginning of winter.

Beginning of winter is the 19th of the 24 solar terms and the beginning of winter. Bucket handle points to the northwest, and the longitude of the sun reaches 225. It meets, stands and starts every year in Gregorian calendar165438+1October 7-8. In winter, everything will be collected in the end. Beginning of winter means that life begins to close, everything enters a state of recuperation, and its climate changes from dry autumn to rainy and cold winter.

Beginning of winter, which represents the beginning of winter, is one of the seasonal nodes that China people attach great importance to. Spring ploughs Xia Yun, autumn harvests winter hides, and winter is the season to enjoy a bumper harvest and recuperate. Beginning of winter is also one of the "four seasons and eight festivals" in ancient society, and it is a very important festival. In some areas of China, there are customs such as ancestor worship, feasting and divination for the elderly, so as to fulfill the obligations and responsibilities of future generations and pray for heaven.

The beginning of winter food

Eat jiaozi: In the north of China, there is a custom of starting to eat jiaozi during the solar term. In early winter, life improved, but jiaozi was delicious. In the north, the custom in early winter is to eat jiaozi, because jiaozi looks like ears. People think that if you eat them, your ears will not be frozen in winter. In addition, jiaozi is homophonic, meaning that beginning of winter is the turn of autumn and winter.

Brewing yellow wine: It is a traditional wine-making custom in Shaoxing to start brewing yellow wine in beginning of winter. In winter, the water is clear and the temperature is low, which can effectively inhibit the growth of miscellaneous bacteria and make the wine form a good flavor in the process of low temperature and long-term fermentation. It is the most suitable season for wine fermentation. Therefore, Shaoxing people call the period from beginning of winter to beginning of spring the most suitable "winter brewing" for brewing yellow rice wine, and pray for happiness.