165438+1what is the solar term on October 22nd?

165438+1October 22nd is a light snow solar term. Light snow is the 20th of the 24 solar terms. The time is Gregorian calendar165438+1October 22nd or 23rd, that is, when the sun reaches 240 degrees of the yellow meridian.

Light snow is a solar term reflecting the climate characteristics. The light snow in solar terms is not necessarily related to the light snow in the weather. The meaning of "light snow" in solar terms is different from that in daily weather forecast. Xiaoxue solar term is a climate concept, which represents the climate characteristics during Xiaoxue solar term. The light snow in the weather forecast refers to the snow with less snowfall intensity. Light snow solar term is a solar term with high frequency of cold wave and strong cold air activity.

During the light snow solar term, a relatively stable meridional circulation has been established in East Asia, and a low pressure or trough often appears in Siberia. When moving eastward, there will be a large range of cold air going south, and there will be a large range of strong winds heating up in the eastern part of China. Due to global warming, the snowfall in some areas of southern China will be delayed, while in the north, it has entered the freezing season.

The ancient book "Qunfangpu" said: "A light snow is cold and can snow, but the ground is not cold and the snow is not heavy." It means "light snow" solar term changes from rain to snow because of the cold weather, but at this time, because the ground is not very cold and the amount of snow is not enough, it is called light snow. Entering this solar term, the northwest wind began to become a frequent visitor in China, and the temperature dropped accordingly.

meaning

Light snow is the 20th of the 24 solar terms. The annual Gregorian calendar1October 22nd or1October 23rd is the starting point165438+1October 22nd or1October 23rd. The sun is located at declination-2016' and longitude 240.

"Twenty-four solar terms" said: "In mid-October, the rain was thin because of the cold, so it condensed into snow. The words of the villain are not prosperous. "

"Light Snow" is a festival that reflects weather phenomena. The ancient book "Qunfangpu" said: "A light snow is cold and can snow, but the ground is not cold and the snow is not heavy."

As the poem says: "The first snow in Taihang Mountain brought a cold wind, which withered all the way to the middle of Jiangxi. When chrysanthemums wither and plum blossoms move in the dark, we know that the earth has turned to the sun. " (Light Snow by Heshui Zuo)

In ancient China, light snow was divided into three stages: "When the rainbow disappeared; Second, the weather is rising and the atmosphere is falling; It was blocked three times and became winter. " The sun in the sky rises and the yin in the ground falls, 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 turn into winter.

After the light snow solar term, there will be large-scale gale and cooling weather in eastern China. Light snow solar term is a solar term with high frequency of cold wave and strong cold air activity. When strong cold air affects it, it is often accompanied by the first snowfall in winter.