The content of the twenty-four solar terms in Song Dynasty

Spring rain shocks spring and clear valley days, summer is full of mountains and summer is connected with heat, autumn dew is cold and frost, and winter snow drifts. Beginning of spring: It means the beginning of spring. Spring rain: refers to more and more rain.

Sting: refers to awakening animals lying in the soil and hibernating. Vernal equinox: The arrival of the vernal equinox divides the day and night equally. Qingming: Qingming is sunny and lush. Xiaoman: Summer crops such as wheat are full of seeds.

Miscanthus: The wheat crop with Miscanthus is ripe. Summer solstice: Summer is coming. Cold dew: Dew is cold. First frost: it's getting colder and colder, frosty. Beginning of winter: The beginning of winter. Xiaoxue: It's starting to snow.

The current 24 solar terms take the earth's revolution around the sun as a cycle, which basically summarizes the laws of natural phenomena such as the different positions of the sun on the ecliptic at different times of the year, the accurate time of cold coming and summer going, rainfall and snowfall.