What are the only green solar terms and traditional festivals in the solar terms Song Dynasty?

The only green solar term and traditional festival in the solar term Song Dynasty is Tomb-Sweeping Day.

Qingming is the fifth solar term in the twenty-four solar terms of the lunar calendar, which indicates the official start of the Ji Chun season. When the sun reaches longitude 15 degrees, it will be Tomb-Sweeping Day gas. "Almanac": "On the fifteenth day after the vernal equinox, the bucket refers to Ding, which is used for Qingming. When everything is clean and bright, when it is covered, everything is clean and bright. ?

From Tomb-Sweeping Day to 15 days, China traditionally has three grades every five days: "When it is ready, it will begin to blossom; Second, the vole became a quail; I'll see you when I wait for the rainbow. " At this time, the white paulownia blooms first, then the voles who like the shade disappear and all return to the underground caves, and then the rainbow can be seen in the sky after the rain.

Qingming is a solar term representing phenology, which means sunny weather and lush vegetation. As the saying goes, "Qingming breaks snow, Grain Rain breaks frost." When the weather is clear, the climate in South China is warm and the spring is strong.