Twenty-four solar terms mathematical elements

"Twenty-four solar terms" reflect the influence of the sun on the earth and belong to the solar calendar category. It is a knowledge system formed by observing the movement of the sun in a year and understanding the changing laws of the four seasons, climate and phenology in a year. 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.

1, Miscanthus: homonym "Busy planting". Before and after Miscanthus, the rainfall in the middle and lower reaches of the Yangtze River in Central China increased, and the temperature rose, entering the rainy season. The air is very humid, the weather is extremely sultry, and all kinds of utensils and clothes are prone to mildew, so it is also called "mildew rain" in the middle and lower reaches of the Yangtze River in China.

2, Xiaoshuhe: The weather is already very hot, but it is not the hottest time, so it is called Xiaoshuhe. At this point, it is already around the beginning.

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Tamamian Kegham, a senior Arabic translator at the United Nations, said: "China has made great contributions to mankind in the fields of mathematics, physics and astronomy. The' Twenty-four solar terms' is the crystallization of the observation, exploration, research and summary of astronomy, meteorology and farming by the working people in ancient China, and it is the precipitation of the long culture and history of the Chinese nation. "

Cao, president of the United Nations Taiji Culture Society, believes that the "24 solar terms" occupy an important position in China's traditional culture. We have the responsibility to spread the essence of China culture to the whole world through the stage of the United Nations.

Li Congrong, vice president of He Zhong Meihua Company, said that the "Twenty-four Solar Terms" was officially listed in UNESCO's Representative List of Intangible Cultural Heritage of Mankind 201. Like other excellent traditional cultures in China, the "24 solar terms" is a key for other countries to understand Chinese civilization.

Baidu encyclopedia-24 solar terms