What is the weather?

According to Chinese folklore, from the solstice in winter, it is "September 9th" every nine days until September 9th, and * * * 8 1 day in a year is a cold period. "Jiujiu", also known as "Winter Jiujiu", is a folk solar term in winter in China. "Counting Nine" starts from the end of June+February in 65438, which is the day after the "Winter Solstice". There are many customs of "counting nine", among which "Jiujiu Song" is the most extensive and has a long history. These songs skillfully use the phenological phenomena in nature and vividly reflect the laws of weather changes during the Ninth Five-Year Plan period. As far as most parts of China are concerned, the weather was not the coldest when the 29th passed, but "1929, I can't reach it." /kloc-at the end of 0/949, it was almost a "severe cold" solar term, so it was said "3949, frozen bitch". After May 9, the earth gradually rejuvenated and the weather gradually warmed from cold, so "May 969, look at the willows by the river; 7989, walking alone. " By 1999, it was already a "thunder" solar term, so the thunder of 1999 made a lasting noise.