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

first, the origin of rain solar terms

rain is the second solar term in 24 solar terms. Generally speaking, from February 18th or 19th, when the sun's longitude reaches 33 degrees, it is 24 solar terms rain. At this time, the temperature rises, the snow melts and the precipitation increases, so it is named rain. The rain solar term generally starts on February 18th or 19th and ends on March 4th or 5th. Rain not only indicates the beginning and increase of rainfall, but also indicates the increase of temperature.

second, the custom of solar terms in rain

1. Rain Festival, going home

is a popular holiday custom of Han nationality in western Sichuan. When it comes to the rainy season, married daughters bring gifts back to visit their parents. Women who have given birth to children must bring gifts such as cans of meat and chairs to thank their parents for their kindness. For women who are not pregnant for a long time, their mother sews a red trousers for them and wears it close to their body. It is said that this can make them pregnant as soon as possible. This custom is still popular in rural areas.

2. To occupy the color of rice

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

3. Sending rain (receiving longevity)

At the Dongshan Hakka Rain Festival in Chengdu, Sichuan, there is a folk custom that daughters send festivals to their parents and son-in-law to their parents-in-law. The gift that the son-in-law sends to the festival is usually a red cotton belt with a length of one foot and two feet, which is called "Shoushou" to pray for the parents-in-law to live a hundred years. The daughter stewed pig's feet 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 bring up her daughter.