When does winter begin? the year of 2020

165438+2020107 October, beginning of winter.

Supplement:

Beginning of winter, one of the 24 solar terms, bucket handle points to the northwest, and the longitude of the sun reaches 225, which intersects the Gregorian calendar165438+1October 7-8. Beginning of winter is a seasonal solar term, which means that it will enter winter from now on, which means that wind and rain, humidity, light and temperature are at a turning point, and the climate begins to transition from autumn to winter.

Four seasons alternate throughout the year, and "four stands" means the rotation of four seasons, reflecting the changing laws of phenology and climate, such as spring, long summer, autumn harvest and winter storage. In the south of China (low latitude area), it is rainy, stormy, sunny and humid, and the rainfall and storms change obviously when the seasons change. In the northern region, there is little rain and storm. These changes are not obvious in seasonal changes, but the temperature changes obviously, and the temperature changes obviously in the northern region (mid-latitude region) in four seasons.