What is the origin of the 24 solar terms?

The birthplace of the twenty-four solar terms is the Yellow River Basin. As early as the Spring and Autumn Period, four solar terms were set, namely, mid-spring, mid-summer, mid-autumn and mid-winter. After continuous improvement and perfection, by the Qin and Han Dynasties, the 24 solar terms had been completely established.

The twenty-four solar terms point out that climate change, rainfall and frost period are the results of long-term observation, exploration and summary of astronomy, meteorology and climate by working people in China, which have a very important and far-reaching impact on agricultural farming and are generally suitable for agricultural activities in the Yellow River Basin. Unscramble the meaning of the twenty-four solar terms

Beginning of spring is the beginning, and beginning of spring is beginning of spring. It began to rain and the rainfall gradually increased. Sting means hiding. Sting refers to the sudden movement of spring thunder, which awakens the hibernating animals in the soil. Equinox means equal share. The vernal equinox means that day and night are equally divided. The Qingming weather is sunny and lush. There are hundreds of valleys in Grain Rain, and only when the rainfall is sufficient and timely can cereal crops thrive.

In the long summer and early summer, Xiaoman entered the rainy season with heavy rainfall, Xiaoman River filled the south, and the seeds of summer crops such as wheat began to fill the north. Grain crops with awns will not work after sowing, so they are named awns. The other refers to the maturity of awned crops, such as wheat. On the solstice of summer, the hot summer is coming, and the faint summer heat means hot. The summer heat is the hottest time of the year, and the climate begins to get hot, and the summer heat begins.

Early autumn is in early autumn, and the place of summer means ending and hiding. Summer is the end of hot summer. The weather turned cold in the Millennium, and the dew turned white. The autumnal equinox divides day and night equally, the dew is cold, it is going to freeze, the first frost weather is getting cold and frosty, and the winter in beginning of winter begins.

Light snow cold wave and strong cold air have high frequency of activity, with light rain or light snow. Heavy snow means that the weather will get colder and colder and the precipitation will increase gradually. The solstice of winter is the coldest time of the year, when the cold winter comes, the slight cold climate begins to get cold and severe cold.