Knowledge about cold dew knowledge about cold dew

1. What does cold dew mean? Cold dew means that the temperature is lower than that of the white dew, and the dew on the ground is colder and will soon condense into frost. In the cold dew season, Nanling and the vast area to the north have entered autumn, the northeast has entered late autumn, and the northwest has entered winter or is about to enter winter. The temperature drops gradually. White dew, cold dew and first frost all indicate the phenomenon of water vapor condensation, and cold dew is the transition from cold to cold. At night, looking up at the starry sky, you will find that the season of the starry sky changes, and the "Big Mars" (Scorpio Antares), which represents the midsummer, has set in the west. We can vaguely hear the footsteps in winter.

2. The origin of cold dew solar terms: Every year on June 8th 10 (June 8th-9th 10), when the sun moves to longitude 195, it is cold dew of 24 solar terms. "Cold dew" means that the temperature in this period is lower than that in "White dew", and the dew on the ground is colder and will soon condense into frost. Twenty-four solar terms: "September solar terms, dew will condense when it is cold." If the "white dew" solar term marks the change from hot to cold, then the summer heat has not completely disappeared, and crystal dew can still be seen in the morning. Then, the "cold dew" solar term is a symbol of cold weather, which indicates the change from cold to cold, and the dew is cold and radiant. As the saying goes, "Cold dew and cold dew are everywhere in Coody Leng".