A year of cold dew 65438+ October and August?

Every year1October 8 or 9, when the sun reaches longitude 195, it is cold dew.

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. 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. The ancients in China divided the cold dew into three stages: one stage was the swan goose; Second, the sparrow enters the water and becomes a clam; Three chrysanthemums have yellow flowers.

In the cold dew season, China Nanling and the vast areas north of it have entered autumn, the northeast has entered late autumn, and the northwest has entered winter or is about to enter winter. The traditional customs of cold dew mainly include enjoying maple leaves, eating sesame seeds, eating crabs and drinking autumn tea.

The custom of cold dew:

In the cold dew season, many places have the custom of enjoying maple leaves. "Frost leaves are redder than February flowers" is also this season. The word "appreciation" of maple leaves is very important, which is different from sitting on the windowsill or walking down the street to see the leaves. You must go there to taste the beautiful things.

However, it is suitable for cold dew and red leaves in the northern region, especially in the north of the Yellow River. The period of viewing red leaves in Beijing is from mid-June 65438+1October to1early October165438+1October, and the best period is from May to 30th 65438+1October. It can be said that Xiangshan is the most popular place to enjoy red leaves in China. When it comes to red leaves, people will unconsciously think of and mention it. Enjoy the red leaves of Xiangshan in the cold dew season.

Baidu Encyclopedia-Cold Dew