Millennium is a brief introduction to the Millennium solar terms.

1, Millennium, is the fifteenth of the "twenty-four solar terms". This solar term marks the end of the Qiu Meng season and the beginning of the Mid-Autumn Festival, and it is also an important festival reflecting the temperature changes in nature. When the sun reaches longitude 165 degrees, it is white dew, on September 7-9 of Gregorian calendar. The ancients used four seasons with five elements, and autumn was golden and golden white, so white was used to describe autumn dew. The Millennium solar terms basically ended the sultry summer, which was the turning point from sultry to cool in autumn. After a thousand years, the sky is high and the clouds are light, the wind is crisp and the temperature difference between day and night is large. At night, you will feel a little cold, and obviously feel that cool autumn has arrived.

During the Millennium, autumn wind dried the moisture in the air and cooled it. This dry climate feature is called "autumn dryness", and the climate feature of the Millennium is dryness. According to the explanation of "white dew" in the twenty-four solar terms-"water and soil condense dew, autumn belongs to gold, golden white and white dew, and qi begins to be cold". "White dew" represents the end of the summer heat. Everything grows with the cold and gradually withers and matures. In the process of changing seasons, the harvested autumn brings people health-related food and folk customs.