What's the meaning of the Seven-Nine River in Song No.9?

The qijiu river in song No.9 refers to the warm weather in 1979 and the melting of ice and snow. After 1999, spring planting began.

This song "Counting Nine Songs" divides winter into ten nine days. It is catchy to read and simple in content.

It's cold in September. Don't show your hands outside, you'll freeze.

The weather is coldest in March and April, and the river is frozen, so people can walk on the ice.

On May 9th and June 9th, I saw the willows by the river show a yellow color, that is, the willow branches spit out new buds.

The ice of the 79 River began to melt, and the 89-day geese flew back.

Ninety-nine plus nineteen is the tenth nine days, and cows can be seen working in the fields.

Nineteen days later, spring bloomed, cows were everywhere, people began to plow in spring, and winter was over.

Ancient rural people counted the days according to Jiujiu songs, grasped the weather changes and reasonably grasped the farming season. Farmers summed up the weather with long-term experience. Some people turn 99 into nursery rhymes, while others make 99 into pictures. The most famous is the rural 99 map, which means to pass the time in the cold winter and spend the cold season faster.