Which two solar terms are important in June 165438+ 10?

Beginning of winter solar terms and light snow solar terms

Beginning of winter is one of the 24 solar terms in the lunar calendar and one of the traditional festivals in China. The time point is between the Gregorian calendar165438+1October 7-8, that is, the sun is located at 225. At this time, the earth is located at declination-16 19', and the noon sun height in Beijing is only 33 47'. After beginning of winter, the sunshine time will continue to shorten, and the height of the sun will continue to decrease at noon. During beginning of winter's period, the Han people took beginning of winter as beginning of winter, so it was necessary to supplement the dietary customs in order to survive the severe winter.

Light snow, generally refers to the snow that doesn't fall very much; Meteorology refers to snow with snowfall less than or equal to 2.5 mm within 24 hours; Among the 24 solar terms, it is the twentieth day,1October 22nd or 23rd, which means that it begins to snow with a small amount of snow. "Xiaoxue" is in the second half of the solar calendar 1 1 and the second half of the lunar calendar in October. "Light Snow" is a festival that reflects weather phenomena. The ancient book "Qunfangpu" said: "A light snow will snow when it is cold, but the ground is not cold and the snow is not heavy." That is to say, due to the cold weather, in the "light snow" festival, the form of precipitation changed from rain to snow, but at this time, because the ground is not very cold and the amount of snow is not large, it is called light snow. At this time, the yang is rising and the yin is falling, which leads to the impassability of heaven and earth, the imbalance of yin and yang, the loss of vitality of everything, the occlusion of heaven and earth and the turning into 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. Light snow indicates the beginning time and degree of snowfall.