Beginning of winter time is Gregorian calendar1October 7th or 8th, 165438. Beginning of winter is one of the twenty-four solar terms in the lunar calendar and an important traditional festival in China. Idea is the beginning, and beginning of winter means beginning of winter. In ancient times, when we arrived in early winter, we usually held sacrificial activities. According to different regions, the customs of early winter are different. In the south, I like to eat some chicken, duck and fish in early winter. In the north, I like to eat jiaozi in early winter.

The climate in beginning of winter is characterized by increasing cold air and rapid temperature drop. Beginning of winter represents that the late autumn season has ended and gradually entered the first frost period.

Characteristics of solar terms in beginning of winter:

1, the temperature drops and changes obviously. With the strengthening of cold air, the cooling trend accelerates. Before and after winter, the precipitation in most areas of China decreased obviously, the air generally became dry, and the soil water content decreased.

2. In late autumn and winter, frost and fog are easy to appear. In normal years165438+1early October, frost will appear one after another from the Qinling Mountains in the north, the western and southern parts of Huanghuai, and the northern part of Jiangnan in the south. In the cold year165438+1mid-October, the first frost will also appear north of Nanling. After winter, the sunshine time will continue to shorten, the noon sun height angle will continue to decrease, and the solar radiation intensity will continue to weaken.

The temperature difference between north and south is widening, and the weather is getting colder and colder. After beginning of winter, the north of China has entered the cold season, while the south is still in late autumn or early winter. This has caused a great temperature difference between north and south. The climate in early winter has also changed from dry autumn to rainy and cold winter.