What does the first frost of cold dew mean? Who's in front and who's behind?

1, cold dew is the17th solar term in 24 solar terms, and the time point is between the 8th and 9th of the Gregorian calendar every year. The first frost is the eighteenth of the twenty-four solar terms. The next solar term of cold dew is the first frost, which is one of the 24 solar terms. Every year around 65438+1October 23rd in Gregorian calendar, the first frost solar term means that the weather is getting colder and the first frost appears. This is the last solar term in autumn and also means the beginning of winter.

2. The most obvious difference between cold dew and first frost is that the weather of first frost is colder than cold dew. The cold dew solar term begins at the end of the first ten days of 10 and ends at the end of 10. The direct point of the sun continued to move southward in the southern hemisphere, and the angle of sunlight in the northern hemisphere began to tilt obviously. The solar heat received by the ground is obviously less than that in summer, and the influence of cold air can sometimes extend to South China.