What are the jingles about 3949?

The full version of 3949 frozen old dog jingle is as follows:

1929, I stepped into my arms.

3949 froze the old dog to death.

Look at the willows by the river.

79 bloom, 89 Yan.

1999 Cattle were plowed everywhere.

Brief analysis: 1929 It's cold, so I don't want to take it out with my hands in my pockets; The old dog in 3949 can't resist the cold weather; In May 1969, the weather turned warmer and willows sprouted by the river. Seven or eight bloom, eight or nine swallows return; As soon as 99 arrived, the weather turned completely warm and the cows began to grow crops.

The origin and calculation method of Jiujiu songs are traditional peasant songs in China. Alias "Jiujiu", also known as "Winter Jiujiu", is a folk solar term in winter in China.

The "number nine" began the day after the "winter solstice" in late February and early February of 65438. When the custom of "counting nine" originated, there is no exact information at present. However, it was popular at least in the Northern and Southern Dynasties. "Liang Chao Shu Jing Chu Chun Qiu" records: "The winter solstice is 998 1 day, which is the end of cold." Count nine cold days, that is, from the solstice of winter, count a "nine" every nine days until the "99" of 81 days, and the weather will warm up.