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Count the first nine of the cold days to start this period of songs

DailyBird Culture 2021-10-09 1 0
What impact does each solar term of

have on the weather in our life is a problem we should consider, because it is very important in our future life. So what kind of climate change is the end of nine cold days? Which solar term does count nine cold days begin to appear in our life?


count nine cold days start time

count nine starts from the winter solstice in winter (from the winter solstice, it is called "jiaojiu", which means the beginning of cold). Every nine days is a "nine", the first nine days are called "Nineteen", the second nine days are called "twenty-nine", and so on until "Nine", That is, until the ninth ninth day and the number of days reaches 9981. During the winter solstice, the day is the shortest, the angle between the direct sunlight angle and the ground is the smallest, and the sunshine intensity received by the ground per unit area is the smallest. Therefore, the ground receives the least solar heat every day, and the daily heat budget deficit has not reached the maximum. After the winter solstice, although the daytime increases day by day, the growth rate is very slow. From the winter solstice to the "March 9" period, the average daily growth is only about one minute. At the same time, the angle between the direct sunlight angle and the ground increases very slowly.


the ballad


in the cold days are widely spread among the people in China, commonly known as "Jiujiu song". There are many versions of the song. Example of version: no action in 1929, walk on the ice in 3949, look at the willows along the river in 5969, the river opens in 799, Yan comes in 899, and cattle go everywhere in 999 plus 19. This ballad represents the summary of solar terms by Chinese folk workers.

the custom of counting nine cold days

the custom of "painting nine" appeared in the ancient Ming Dynasty. The so-called painting is actually a diagram for calculating the warm date of spring after the winter solstice. According to a brief view of the imperial capital in the Ming Dynasty, "on the winter solstice, a plain plum is painted with one of 80 petals. One petal is dyed on the day, and the petals come out in September, then the spring is deep, which is called the picture of eliminating the cold in September". In addition, in the Qing Dynasty, there was a "poem picture of eliminating cold in the ninth century". In the picture, there were four sentences every nine days, a total of 36 sentences, ranging from "governing the world" in ancient times to "Jinluan Great Qing sitting" in this dynasty. It can be called an elegant historical "event". After "painting nine", the custom of "writing nine" appeared in the Qing Dynasty. The cultural flavor of "writing nine" is also very strong. It often uses the nine characters of "weeping willows in front of the pavilion, cherishing the spring breeze" or "Bai Feng sending fragrance to the room in the spring vestibule" (traditional style, of course). It is first made of double hooks and filled in from the first day of the ninth (similar to the "drawing red" in calligraphy practice). Write black with a thick brush, nine strokes per word, one day for each stroke, and it takes exactly 81 days to complete the nine words. Interestingly, after filling in a pen every day, you have to use a fine brush to record the weather conditions of the day in white. Therefore, a line of "writing nine" is also more detailed meteorological data in 1999, which represents a summary of the changes of the weather in 1999.

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