What is the origin and folk custom of rain solar terms?

The origin and folklore of rain solar terms are introduced as follows.

First, the origin of rain solar terms

Rain is the second of the 24 solar terms. Generally speaking, from February 18 or 19, when the longitude of the sun reaches 330 degrees, it is the rain in the 24 solar terms. At this time, the temperature rises, the snow melts and the precipitation increases, hence the name rain. The rain solar term generally starts from February 18 or 19 and ends on March 4 or 5. Rain not only indicates the beginning and increase of rainfall, but also indicates the rise of temperature.

Second, the custom of rain solar terms

1, Rain Festival, back to my parents' home.

It is a popular holiday custom of Han nationality in western Sichuan. When the rainy season comes, the married daughters will go back to visit their parents with gifts. Women who have given birth must bring some gifts, such as canned meat and chairs, to thank their parents for their kindness. For women who have not been pregnant for a long time, their mother will sew a pair of red trousers for them and wear them next to their bodies. It is said that this will help them get pregnant as soon as possible. This custom is still popular in rural areas.

2. Accounting of rice color

It predicts the rice harvest in that year by frying glutinous rice flowers. The quality of color depends on the number of blooming glutinous rice flowers. The more glutinous rice with glistening flowers, the better the harvest; Moreover, the less rice flowers burst out, it means that the harvest is not good and the price of rice will be expensive.

3, send rain (life)

At the Dongshan Hakka Rain Festival in Chengdu, Sichuan, a daughter sent festivals to her parents and a son-in-law sent festivals to her parents-in-law. The holiday gift given by the son-in-law is usually a one-foot-two-foot-long red cotton belt, which is called "Shoushou" to pray for the centenary birthday of her parents-in-law. The daughter stewed pig's trotters and chicken soup, sealed the jar with red paper and red rope, and the son-in-law sent it to her parents-in-law. This is the son-in-law's gratitude to her parents-in-law who have worked hard to raise her daughter.