/kloc-What do you mean by 0/9 days, 29 days, 39 days and 49 days?

Counting nine from the winter solstice in the 24 solar terms is what people call "winter counting nine". Counting nine days is 19, counting nine days is 29 ... Counting nine days is the end of nine, and it will be warm then.

Song 99 is: 1929; Walking on the 3949 River; 5969 see willows along the river; Seven or nine talks, eight or nine geese come; 99 plus 19, plowing cattle everywhere.

Interpretation: This proverb seems to be applicable to a wide range, basically applicable to the northern region, with only a few differences in words at most. It means the phenology of "Winter Nine" days. September 19 and September 29 were too cold to raise their hands; It is colder in March and April, and the ice is thick enough for pedestrians to pass; It began to pick up on May 9 and June 9, and the distant willows are now spring; The ice of the 79 River began to melt; 89 Nanyan flies back; Spring ploughing began after the Ninth Five-Year Plan.