Twenty-four solar terms originated in the Yellow River basin, which is the crystallization of the long-term wisdom of ancient working people and the calendar used to guide agricultural time in ancient times. There are four solar terms in the Spring and Autumn Period: midsummer, midsummer, midsummer and midsummer. Later, with the replacement of dynasties and the extension of culture, the 24 solar terms were completely established in Qin and Han Dynasties. It is a manifestation of natural rhythm change. In ancient times, its reason was based on the movement of stars, but now it depends on the position of the sun returning to Huangdao.

Characteristics of 24 solar terms

The 24 solar terms are beginning of spring, Rain, Surprise, Equinox, Qingming, Grain Rain, Long Summer, Xiaoman, Busy, Summer Solstice, Slight Summer, beginning of autumn, Chushu, Millennium, Equinox, Cold Dew, First Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold. Beginning of spring, Changxia, beginning of autumn and beginning of winter represent the arrival of the four seasons. When it rains, the rainfall increases, and the day and night are distinct at the vernal equinox; The solstice in summer represents the Tropic of Cancer. The sun shines directly, and summer comes, which is the hottest time of the year. The summer heat represents the end of summer, and the autumnal equinox is equally divided day and night; The winter solstice means that winter has begun, and the cold is the coldest time of the year. Rain, Grain Rain, white dew, cold dew, first frost, light snow and heavy snow are mainly meteorological phenomena reflecting the weather; What is frightening is the beginning of spring ploughing in most areas, and the awn seed is the maturity of agricultural products.

Twenty-four solar terms custom

There will be a welcoming ceremony at the beginning of spring; Tomb-Sweeping Day is a solar term and an important traditional festival, and many people will go for an outing on this day. Mang said that there is a custom of eating sour plum soup; Xiao Shu has the name of dog days; On the day of the first frost, the weather is getting colder and colder, and everyone focuses on health preservation, so there is a custom of eating red persimmons; On the solstice of winter, there is a saying that the south eats jiaozi and the north eats jiaozi; There is a saying that there is food supplement in the great cold.