How many strokes was the first frost?

The first frost is the eighteenth of the twenty-four solar terms. Fight with your fingers; The solar calendar is 210; Salary will be paid every year on the Gregorian calendar 10,123-24 October. The first frost is the last solar term in autumn and the transition from autumn to winter.

The first frost solar terms are characterized by cold weather in the morning and evening, hot weather at noon, large temperature difference between day and night, and obvious autumn dryness. Because "frost" is a manifestation of cold weather and large temperature difference between day and night, it is named "first frost", which means "sudden drop in temperature and large temperature difference between day and night".

Extended data:

The first frost is a solar term reflecting the temperature change. Cold weather begins with the first frost, which is the last solar term in autumn and the transition from autumn to winter.

During the first frost, the temperature difference between day and night is large, the weather is cold in the morning and evening, it is hot at noon, and autumn dryness is obvious. On the national average, the first frost is the season with the largest temperature difference between day and night in a year. After the first frost solar terms, the plants gradually lost their vitality, and the earth was desolate.