Which of the following is not an autumn solar term? Heat, frost, first frost, light snow

The solar term that does not belong to autumn is light snow. Other solar terms belong to autumn.

Light snow is the twentieth solar term in the twenty-four solar terms of the lunar calendar. The time is165438+1October 22 or 23, when the sun reaches 240 degrees of the yellow meridian, it is called the light snow solar term. In the light snow solar term, the sun is located at-2016' at declination. On this day, Beijing's daylight saving time is only 9 hours and 49 minutes, and the height of the sun at noon is only 29 50'.

Entering this solar term, the northwest wind began to become a frequent visitor in China, and the temperature gradually dropped below 0℃, but the earth was not too cold. Although it began to snow, the amount of snow was not large, so it was called light snow. At this time, Yin Qi fell and Yang Qi rose, which led to the impassability of heaven and earth, the imbalance of yin and yang, the loss of vitality of everything, and the occlusion of heaven and earth into the severe winter. The first snow will appear in the area north of the Yellow River, reminding people that it is time to keep out the cold and keep warm.