Cold dew time in 2023

The solar term of cold dew in 2023 is 65438+1Sunday, October 8.

Cold dew is a festival in late autumn and the beginning of the full moon in the dry calendar. When there is cold dew, there is cold air going south, the temperature difference between day and night is large, the autumn dryness is obvious, the autumn in the south is getting stronger, the air is cool and cool, and there is little rain and dryness. The northern region has entered or will enter winter from late autumn.

Cold dew, the fifth solar term in autumn, nails. Longitude of solar calendar 195 degrees, Gregorian calendar 18-09 10 month. The traditional customs of cold dew mainly include enjoying maple leaves, eating sesame seeds, eating crabs and drinking autumn tea.

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. It means that Hongyan moved south in a big way, and all the birds disappeared. I saw a lot of clams suddenly appear on the beach. The stripes and colors of shells are very similar to those of birds. I thought it was a bird. Chrysanthemums usually bloom at this time.

rural activity

After the cold dew, if there is strong cold air going south, the cold dew wind weather with low temperature and strong wind is easy to appear in the south. Cold dew wind is a chilling injury caused by the invasion of cold air in autumn, which reduces rice production. It is one of the main meteorological disasters in the growth period of late rice in southern China, which mostly occurs around the cold dew festival in the southern lunar calendar. Therefore, Guangdong, Guangxi and Fujian are called cold dew wind, and the Yangtze River basin is called autumn low temperature.

In the cold dew season, wheat should be sown in the north, not late, so as not to reduce production. South China should sow rape and plant broad beans in due course. There will be a disastrous weather in South China-Mianyu, which is characterized by high humidity, more clouds, less sunshine and more cloudy days. After that, the number of foggy days will increase obviously, which will directly affect the progress and quality of Sanqiu. Therefore, it is necessary to use the weather forecast to harvest and sow in sunny days.