1, beginning of winter is the first 19 of the 24 solar terms and the first of the six solar terms in winter. Gregorian calendar1October 7th or 8th 165438, beginning of winter solar term is the time when the sun moves to 225 degrees of the yellow meridian.

2, beginning of winter, means that anger began to close, everything into a state of rest. Its climate has also changed from dry autumn to rainy and cold winter.

3. The ancients in China divided beginning of winter into three stages: the water began to freeze, the ground began to freeze, and the flood was a mirage.

4. Before and after winter, the precipitation in most parts of China decreased obviously. Northeast China is frozen, and agricultural and forestry crops enter the wintering period; The "Sanqiu" in the Jianghuai area is coming to an end; Jiangnan is busy planting late-season winter wheat and transplanting rapeseed; At that time, South China was the best time to start planting wheat in winter.