What does the 99-99 cold map mean?

The "99 Cold Current Map" means that from the date of winter solstice, nine days are counted as a unit, and then winter passes.

Jiujiu, also called Jiujiu in winter, is a folk method to calculate the date of warm flowers in spring and cold days in China. The number nine is counted from the date of the "winter solstice" of the twenty-four solar terms, and every nine days is counted as a "nine", and so on. Generally, March 9 is the coldest, which is the coldest time of the year. When you count to nine "nine days" (998 1 day), spring will be deep and warm, and everything will be full of vitality. It's time for spring ploughing. The number nine method is passed down from mouth to mouth among the people in our country, which has a history and lacks records. As for when it originated, there is no exact information.

Historical sources:

The cold map of 99 is a picture drawn by northern China literati according to the number 9. The map of dispelling cold in 1999 is closely related to folk customs in 1999. The date of winter solstice in Gregorian calendar every year is 65438+February 2 1-23, and 8 1 day of "99" is counted from the date of winter solstice, that is, the end of March (around the vernal equinox), "peach blossoms" and "deep spring and warm days" in Gregorian calendar.

The "Relief Picture of 99 Cold" is a double-hook red calligraphy "weeping willows in front of the pavilion and cherishing the spring breeze", all of which are traditional Chinese characters, and each word has nine strokes * * * 998 1 stroke. From the solstice of winter, one stroke is filled in the order of strokes every day, and one word is filled in September every year. Until the spring returns to the earth after September, a "99 Cold Relief Map" is completed.