Traditional Culture Encyclopedia - Weather forecast - How did the first frost perform?
How did the first frost perform?
In ancient China, the first frost was divided into three stages: "One stage was that the jackal sacrificed animals; Second, the vegetation is yellow; Three waiting insects are salty. " In this solar term, jackals will show their prey before eating; The leaves on the earth turned yellow and fell; The stinging insects are motionless in the cave and hang their heads into hibernation. Every year, around Gregorian calendar 10 year 10 23rd, when the sun reaches longitude 2 10 degrees, it is the first frost. The first frost said it was colder and the dew was condensed.
Frost. "Twenty-four solar terms": "In mid-September, the essence is cold and condensed, and dew cream". At this time, frost has appeared in the Yellow River Basin of China, and a silver ice crystal shines in the fields thousands of miles away. At this time, the leaves turned yellow and fell. The ancient book "Twenty-four solar terms" says: "When the frost comes, the yin begins to coagulate." It can be seen that "first frost" means that the weather is getting colder and it begins to frost. Meteorologically, the first frost in autumn is generally called "first frost" or "first frost", and the last frost in spring is called "late frost" or "final frost". The interval from the last frost to the first frost is a frost-free period.
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