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When is the frost date in 2023?

The frost in 2023 will begin at 0:20:39 on Tuesday, October 24, 2023 (the tenth day of the ninth lunar month in 2023).

Frost date calculation formula: [Y*D+C]-L formula interpretation: Y=last 2 digits of the year, D=0.2422, L=leap year, 21st century C=23.438, 20th century C= 24.218. For example: the frost date in 2088 =-=44-22=22, the frost will be on October 22. Exception: Add 1 day to the calculation in 2089.

Characteristics of frost

The frost solar term means that the weather is getting colder and frost is beginning to fall. The average temperature in southern areas with latitudes is around 16℃, and there are still three days left before the first frost date. solar terms. In the river valleys of southern South China, frost can only be seen in the middle of winter.

Of course, even in places with the same latitude, due to differences in altitude and terrain, the temperature and humidity of the air close to the ground are different, so the first frost period and the number of frost days are also different. During the frost season, the cool autumn wind has blown into the flower city of Guangzhou. The average temperature in northern Northeast China, eastern Inner Mongolia and most of northwest China is already below 0℃.