202 1 when is the first frost? 202 1 when is the first frost?

1.202 1 first frost solar terms: Gregorian calendar 202110/October 23rd 12: 5 1: 00, Saturday, September 18th of the lunar calendar.

2. The first frost is the eighteenth of the twenty-four solar terms and the third in autumn.

3. Fight with your fingers; The solar calendar is 210; Celebrate every year on Gregorian calendar 10 year1October 23rd-24th.

4. After the first frost entered the solar term, the scene of late autumn was obvious, and the cold air went south more and more frequently.

The first frost does not mean "frost", but refers to the sudden drop of temperature and the large temperature difference between day and night.

As far as the national average is concerned, the "first frost" is the season with the largest temperature difference between day and night in a year.