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Yukuang first frost | Autumn means twilight and new winter is approaching
Release time:
2019-10-24
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One of the 24 solar terms, first frost solar term contains the meaning of gradually cold weather and first frost. It is the last solar term in autumn and also means that winter is about to begin. During the frost season, health care is particularly important. There is a folk proverb that "it is better to make up for frost in a year than to make up for frost", which shows the impact of this solar term on people. In the first frost season, most of the northern region has entered the autumn harvest of the tail stage. In the warm south, it is the "three autumn" busy season.
First frost is the 18th solar term of the 24 solar terms. Dou finger Xu; The sun's yellow longitude is 210; Every year, the festival is held from October 23 to 24 on the Gregorian calendar. The gradual cold weather begins with first frost. First frost is the last solar term in autumn. It is a solar term that reflects temperature changes. It is the transition from autumn to winter, which means winter is about to enter. As the saying goes, "First frost kills grass". After first frost, plants gradually lose their vitality and the earth is bleak. First frost does not mean "frost", but means that the weather is getting colder. Frost means frost, and the earth may have its first frost due to freezing. After the first frost solar term, the late autumn scene is obvious, the cold air is more and more frequent.
After the first frost solar term, the weather gradually becomes cold, and the temperature difference between day and night changes greatly. "Frosts Descent" reflects a sudden drop in temperature, and does not mean that entering this solar term will "reduce frost". In meteorology, there is no concept of "frost". In meteorology, the first frost in autumn is generally called "early frost" or "first frost", while the last frost in spring is called "late frost" or "final frost". The interval from the final frost to the first frost is the frost-free period. "Frost" usually occurs in the autumn to spring period. "Frost" is a manifestation of cold weather. Since there is frost in frost, autumn frost and spring frost are collectively referred to as frost.
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