Dingdang in four seasons.

The jingles of the four seasons are as follows:

The spring rain shakes the spring and clears the valley, and the summer is full of mountains and summers.

Autumn dew, autumn frost, little snow in winter and cold in winter.

The first half of the year is June 2 1 day, and the second half is August 23.

The dates of the two festivals each month are fixed, with a maximum difference of one or two days. "Twenty-four solar terms" is the product of ancient farming civilization, and farming production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors who followed the agricultural time to observe the movement of celestial bodies and realized the changing laws of Middle Ages, climate and phenology. Each solar term represents different changes in time, climate and phenology. The twenty-four solar terms express the unique concept of time between human beings and the natural universe, and contain the long-standing cultural connotation and historical accumulation of the Chinese nation. It not only plays a guiding role in agricultural production, but also affects the food, clothing, housing and transportation of ancient people, and even cultural concepts.