Why is the China Farmers' Harvest Festival set at the autumn equinox? What festival is this?

What is the autumnal equinox? It is also called China Farmers' Harvest Festival. Since 20 18, China has established the annual vernal equinox as "China Farmers Harvest Festival". Why set the China Farmers Harvest Festival in the autumn equinox? Set in the autumnal equinox, from the perspective of solar terms, spring crops and autumn harvests, spring flowers and autumn fruits, and autumn equinox season is fruitful. In addition, the autumnal equinox, as one of the 24 solar terms, is equally divided day and night, and the autumn is crisp. It is not only an important season for autumn harvest, autumn ploughing and autumn planting, but also a good season for rice fragrance, crab fat and chrysanthemum yellow and autumn scenery. According to the standard of climatology, in the "autumnal equinox" season, the average daily temperature in the Yangtze River basin and its northern area drops below 22℃, which is phenological autumn. The establishment of "China Farmers Harvest Festival" will greatly mobilize the enthusiasm, initiative and creativity of hundreds of millions of farmers and enhance their sense of honor, happiness and acquisition. Holding "China Farmers Harvest Festival" can show the great achievements of rural reform and development. Significance of establishing China Farmers Harvest Festival: The establishment of "China Farmers Harvest Festival" conforms to the new requirements and expectations of the new era, and will greatly mobilize the enthusiasm, initiative and creativity of hundreds of millions of farmers, enhance their sense of honor, happiness and acquisition, and gather great forces to overcome poverty, build a well-off society in an all-round way, implement the strategy of rural revitalization and accelerate the modernization of agriculture and rural areas. China is a big agricultural country, and China has a long history of farming culture. As a distinctive cultural symbol, "China Farmers Harvest Festival" has been endowed with new connotation of the times, which is helpful to publicize and display the long and heavy farming culture, inherit and carry forward China's excellent traditional culture, promote the organic integration of traditional culture and modern civilization, and enhance cultural self-confidence and national pride. The establishment of "China Farmers Harvest Festival" is an important decision made by the CPC Central Committee and the State Council. The Ministry of Agriculture and Rural Affairs will, in accordance with the spirit of China's important instructions and the requirements of the State Council's reply, jointly with relevant departments, carefully organize and strengthen guidance, adhere to the purpose of "celebrating bumper harvests, rejuvenating culture and rejuvenating the countryside", follow the principle of "being pragmatic, open, enjoying simplicity", adhere to the guidance of farmers and the government, adjust measures to local conditions and highlight characteristics, carry out activities that are popular and show new achievements and industries that strengthen agriculture through science and technology.