What does the heavy snow in the calendar mean?

Heavy snow is the 21st solar term among the 24 solar terms and the third solar term in winter. It snows more and more heavily during the heavy snow season, and you can often see snowflakes falling one after another. February 7th or 8th of Gregorian calendar 12 every year is a holiday for it to snow.

On this day, the sun moved to the longitude of 255 degrees, and at noon that day, the sun shadow was measured with standard gauge. The length of the shadow is one foot two feet four minutes, which is equivalent to 3.05 meters today. At night, the bucket handle observing the Big Dipper points to the direction of Hai, that is, the northwest. This stage is usually in November of the lunar calendar, also known as mid-winter month, sunny month and flat month.

Extended data:

65438+ On February 7th or 8th every year, when the longitude of the sun reaches 255 degrees, it is the "heavy snow" which is one of the 24 solar terms. Heavy snow, as the name implies, has a large amount of snow. The ancients said: "The great man is prosperous, and the snow man is prosperous here." . At this time, it often snows heavily and widely, hence the name heavy snow.

In the heavy snow season, except in the winter-free areas such as South China and South Yunnan, the vast land of our country has been covered with winter clothes. The average temperature in Northeast and Northwest China dropped to-10℃, and the temperature in the Yellow River Basin and North China remained below 0℃. In normal years, snowfall has occurred in the Yellow River Basin and northern areas, and winter wheat has stopped growing.