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Anonymous users2024-02-16Hanlu is the 17th of the 24 solar terms, and it is the end of the unitary month of the Ganzhi calendar and the beginning of the lunar month; The time point is on October 8 or 9 of the Gregorian calendar every year, when the apparent sun reaches the ecliptic longitude of 195°. "The Seventy-two Candidate Explanations of the Lunar Order" says: "On the September Festival, the dew is cold and will condense.
Cold dew means that the temperature is lower than when the white dew is used, and the dew on the ground is colder and is about to condense into frost. In the cold and dew season, the vast areas of Nanling and the north have entered autumn, and the northeast and northwest regions have entered or are about to enter winter.
Introduction
1. Refers to the cold dew that will be condensed. "Su Wen: The Great Treatise of the Six Yuan Zheng Era": "The five qi, the tragic order has been carried out, under the cold dew, the frost is early. ”
2. One of the 24 solar terms in China. "Tongwei Filial Piety Aid Deed": "On the fifteenth day after the autumn equinox, the fighting fingers are cold. The words are cold and want to condense. "The weather is cool in most parts of the country at this time.
3. Cold dews - the temperature is lower, the air has condensed, and there is a gradual chill.
4. The cold dew is the end of the unitary month of the Ganzhi calendar and the beginning of the lunar month.
5. The date of cold dew on the lunar calendar is not fixed and varies from year to year; This is because the lunar calendar is a lunisolar calendar.
Origin
On October 8 or 9 of the Gregorian calendar, the sun reaches 195° ecliptic longitude [1] . "The Seventy-two Candidate Explanations of the Lunar Order" says: "On the September Festival, the dew is cold and will condense.
Cold dew means that the temperature is lower than when the white dew is used, and the dew on the ground is colder and is about to condense into frost. In the cold and dew season, the vast areas of Nanling and the north have entered autumn, and the northeast and northwest regions have entered or are about to enter winter. First frost is visible in the capital Beijing at this time of year for most years, and snow has generally begun to fall in northeast China and northern Xinjiang, except for the Qinghai-Tibet Plateau, which snows all year round.
2] In ancient China, the cold dew was divided into three phases: "one is the guest of the wild goose; Second, the finch enters the water as a clam; Sanhou chrysanthemum has yellow flowers. "In this solar term, the wild geese line up in a line or herringbone and move south; In the late autumn, when the birds were gone, the ancients saw that many clams suddenly appeared on the seashore, and the stripes and colors of the shells were very similar to those of the birds, so they thought that the birds had become; The third "chrysanthemum yellow flower" means that the chrysanthemum has generally bloomed at this time.
Date
Calculation formula: [y*d+c]-l
Formula interpretation: y = 2 digits after the number of years, d = , l = leap years, 21st century c = , 20th century c =
For example: 2088 Cold Dew Date = [88, October 7 is Cold Dew.
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Anonymous users2024-02-15Cold dew is the seventeenth of the 24 solar terms and the fifth solar term of autumn. Dou Zhi Wu; The Sun reaches the ecliptic longitude 195°; It is held from October 7 to 9 in the Gregorian calendar every year.
The cold dew is the season of late autumn and the beginning of the month of the Ganzhi calendar. Cold dew is a solar term that reflects the characteristics of climate change. Entering the cold dew, there is cold air from time to time to the south, the temperature difference between day and night is large, and the autumn dryness is obvious.
After the cold dew, the cold air in the north has a certain force, and most areas are under the control of cold and high pressure, and the rainy season is over. From the perspective of climatic characteristics, in the cold and dew season, the autumn in the south is getting stronger, the air is cool and the wind is cool, and the rain is less and dry; The vast areas of the north have entered or are about to enter winter from late autumn. The traditional customs of Hanlu mainly include appreciating maple leaves, eating sesame seeds, eating crabs, drinking autumn tea, etc.
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