When is the Millennium in 2023?

The Millennium of 2023 is September 8, 2023.

Millennium is the 15 solar term in 24 solar terms, and the third solar term in autumn is the end of the application of the moon in the dry calendar and the beginning of the unitary month. Fighting fingers; The sun reaches longitude 165 degrees; It is celebrated on September 7-9 in the Gregorian calendar. Millennium is an important solar term, reflecting the cold growth of nature. As the weather turns cold, it is still hot in sunny days, but as soon as the sun sets, the temperature drops rapidly and the temperature difference between day and night widens.

During the white dew, the summer monsoon is gradually replaced by the winter monsoon, and the cold air changes from defense to attack. In addition, when the direct point of the sun moves south, the sunshine time in the northern hemisphere becomes shorter, the light intensity weakens, and the ground radiation dissipates heat quickly, so the cooling speed gradually accelerates. The Millennium basically ended the sweltering heat in summer, and the weather gradually turned cold, and the cold gave birth to dew condensation. The ancients used four seasons with five elements, autumn was gold, gold and white, and white was used to describe autumn dew, hence the name Bailu.

Temperature changes of the Millennium solar terms;

White dew is the dividing point between heat and cool, and "white dew" means the end of summer heat. After entering the Millennium solar terms, the summer monsoon gradually turned into the winter monsoon, the number of cold snap southward increased, the position of direct sunlight on the ground moved southward, the sunshine time in the northern hemisphere shortened, the sunshine intensity weakened, and the ground radiation dissipated quickly on some cloudy sunny nights, which led to the accelerated temperature drop.

After the Millennium, the temperature difference between day and night gradually widened. Even if the temperature is high at noon during the day, it is a little cold in the morning and at night. According to the standard that the average climate temperature is divided into four seasons put forward by scholar Zhang Baokun, the period when the average climate temperature is within the range of 10~22℃ is spring or autumn, so since the Millennium, all localities have entered autumn one after another.