Traditional Culture Encyclopedia - The 24 Solar Terms - What are the coldest days?
What are the coldest days?
Three or nine days refers to the third cold day since the winter solstice, which is the coldest period in a year. The specific calculation method is: from winter to Sunday, every "ninth day" is a "ninth", the first nine days are called "ninth", the last nine days are called "second nine", and so on. The coldest period in a year is "March 9th, April 9th". Count to "999" 81 days, "nine peach blossoms bloom". At this time, the cold has passed and the weather is warm.
Phenomenon description
The so-called "dog days are hot, March 9 is cold", and the coldest time of the year is from March 9 to April 9. Count nine cold days, that is, from the date of the winter solstice (the anniversary of the dry branch), count 19 every nine days until 9981, when the peach blossoms bloom, the weather will be warm. There is also a saying that "in 1999 and 1999, cows were plowed everywhere". After "1999", "the spring is deep and the sun is warm", and the spring ploughing season has arrived.
Because of China's vast territory, the climate varies greatly from place to place, not all over the country. The date of winter solstice in Gregorian calendar every year is 65438+February 2 1-23. Starting from the date of winter solstice, "99" is pushed forward by 8 1 day, that is, in the late March of the solar calendar (around the vernal equinox), it will be "full of peach blossoms" and "warm in the spring", which only corresponds to parts of southern China. Around the vernal equinox, many places in China are still gloomy and cold.
Refer to the above? Baidu Encyclopedia-Sanjiutian
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