How many days, minutes and seconds is the Millennium solar term in 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; Gregorian calendar September 7-9. Millennium is an important solar term, reflecting the cold growth of nature. As the cold air turns to attack, it is sunny and hot during the day, but the temperature drops rapidly after the evening, and the temperature difference between day and night gradually widens.

"White dew" represents the change from heat to cold, and everything is born with cold, gradually falling and maturing. The Millennium season is a busy season in China. Millet, sorghum and soybeans began to be harvested in the northeast, and new cotton was picked in some places; At the same time, it is necessary to select seeds for cotton, corn, sorghum, millet and soybeans. , timely stubble cleaning, soil preparation, fertilizer delivery, and rushing to plant wheat.

Meteorological changes in the Millennium

After entering the Millennium solar terms, the summer monsoon is gradually replaced by the winter monsoon, and the cold air gradually moves southward frequently. In addition, the position where the sun directly touches the ground moves south, and 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 drop is gradually accelerated. There is a saying called "Qiu Qiu in a thousand years, it is cold all night."

After the Millennium, the temperature difference between day and night gradually widened. Although the temperature is high at noon during the day, it is already very cold in the morning and at night. According to the standard of "average weather temperature" proposed by modern scholar Zhang Baokun, the average weather temperature is 10-22℃ in spring or autumn. According to this standard, from the beginning of the Millennium solar term, all localities began to enter autumn one after another. At this time, the temperature difference between day and night in China can reach 8℃- 16℃, so the Millennium is a solar term with a large temperature difference in a year.

Reference to the above content: Baidu Encyclopedia -2023

Baidu Encyclopedia-White Deer