The meaning of solar terms and cold dew

The cold dew solar term symbolizes that the temperature drops, dew condenses in the air, and gradually there is a chill.

Cold dew is the seventeenth of the twenty-four solar terms and belongs to the fifth solar term in autumn. Finger e; Longitude of solar arrival195; Gregorian calendar1October 7 -9 10 every year.

Cold dew is a solar term reflecting the characteristics of climate change. After the cold dew solar terms, the days become shorter, the nights become longer, the sunshine decreases, the hot air slowly recedes, the cold gradually increases, the temperature difference between day and night is larger, and it feels a little chilly in the morning and evening. From the climate characteristics, in the cold dew season, the autumn in the south is getting stronger, cool and cool, with little rain and dryness; The vast areas in the north have entered or are about to enter winter since late autumn, depending on the weather in which year.

Climatic characteristics of cold dew

The cold dew is divided into three stages: "The first stage is the Hongyan guest; Second, the sparrow enters the water and becomes a clam; Three chrysanthemums have yellow flowers. "

In this solar term, geese move south in a line or herringbone queue; In the cold late autumn, all the birds disappeared. The ancients saw a large number of clams suddenly appearing on the seashore. The stripes and colors of shells were very similar to those of birds, and they thought they were birds. The third stage of "Chrysanthemum begins to blossom" means that the chrysanthemum has opened in a large area at this time.