165438+20221what is the calendar on October 22nd?

Light snow is the twentieth solar term among the twenty-four solar terms and the second solar term in winter. The time is Gregorian calendar1October 22 or 23, when the sun reaches 240 degrees of the yellow longitude. Light snow is a solar term reflecting precipitation and temperature, and it is a solar term with high frequency of cold wave and strong cold air activity. The arrival of the light snow solar term means that the weather is getting colder and colder and the precipitation is gradually increasing.

This solar term is called light snow because "snow" is the product of cold weather. During this solar term, the climate is not deep and the precipitation is not great, so "light snow" is used to compare the climate characteristics during this solar term. "Light snow" is a metaphor, which reflects the active cold current and increased precipitation in this solar term, rather than the light snow under this solar term.

Agricultural activities of light snow solar terms

At the beginning of the light snow solar term, the frozen depth of the soil in Northeast China has reached 10cm, with an average of 1cm for almost one day and night, and more than one meter at the end of the solar term. Therefore, as the saying goes, "the snow area is tightly sealed", and then rivers of all sizes freeze.

The agricultural proverb says, "Light snow will make the coming year rich." There are three meanings here. First, there will be light snow, and the rain will be even in the coming year, without major droughts and floods; Second, snow can freeze some germs and pests to death, reducing the occurrence of pests and diseases in the coming year; Thirdly, snow can keep warm, which is conducive to the decomposition of soil organic matter and enhance soil fertility.

Refer to the above? Baidu encyclopedia -2022