What are the characteristics of the Millennium? Introduction to the characteristics of solar terms in the Millennium.

China's ancient book records: "On the August Festival, the yin is getting heavier and the dew is white." According to the climate law, the cool autumn wind blows all over Huaibei from north to south in the white dew season.

2. The temperature difference between day and night is large throughout the year.

As the saying goes: "A thousand years is divided into autumn nights, and one night is cold." At this time, the summer monsoon is gradually replaced by the winter monsoon, with more northerly winds and cold air gradually moving south frequently. In addition, the position where the sun directly touches the ground moves south, so the sunshine time in the northern hemisphere becomes shorter and the sunshine intensity weakens. At night, it is often partly cloudy and sunny, and the ground radiation dissipates quickly, so the temperature gradually drops and the weather becomes colder and colder.