Solar term song and its full name.

Twenty-four solar terms: Spring rains shake the spring and clear the valley, and summer is full of heat. Autumn dew, autumn frost, little snow in winter and cold in winter.

The full name of the twenty-four solar terms Song is called the twenty-four solar terms Song.

The 24 solar terms contained in the poem refer to beginning of spring, Spring Rain, Creeping, Vernal Equinox, Qingming, Grain Rain, Long Summer, Xiaoman, Mangzi, Summer Solstice, Slight Summer, Great Summer, beginning of autumn, Early Summer, White Dew, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

During the Spring and Autumn Period and the Warring States Period, people in China had the concepts of Solstice in the South and Solstice in the North. Subsequently, people divided the year into 24 equal parts according to the relationship between the running position of the sun and the moon at the beginning and middle of the month and the natural utilization such as weather, animal and plant growth. And give each equal part a proper noun, that is, twenty-four solar terms.

By the end of the Warring States Period, solar terms had eight names: beginning of spring, Equinox, Long Summer, Summer Solstice, beginning of autumn, Equinox, beginning of winter and Winter Solstice. These eight solar terms are the most important of the 24 solar terms. These eight solar terms mark the change of seasons and clearly divide the four seasons of the year. Later, when the book Huai Nan Zi was published, the names of the 24 solar terms were exactly the same as those of the modern ones.