20 19 when is the ninth winter festival? What is the ballad about this solar term?

The winter "Jiujiu" of 1 and 20 19 starts and ends in "Jiujiu"-20181812.30, "Jiujiu"- In our country, people call the solstice of winter "over nine" or "counting nine". This is a folk method in China to calculate the flowering dates of cold weather and warm spring. 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.

2, the number of nine songs: 1929 does not shoot, 3949 walks on the ice, 5969 looks at willows along the river, 79 rivers open, 89 yanlai, 99 Jia 19, plows cattle everywhere.