1, 2020 long summer is April 13th of the lunar calendar, and the Gregorian calendar time is Tuesday, May 5th, 2020 at 08: 51:16. Long summer is the seventh of the 24 solar terms and the first in summer. The festival in long summer is on May 05-07 of the Gregorian calendar every year, when the bucket handle of the Big Dipper points to the southeast and the solar longitude reaches 45. "Almanac": "Dou refers to the southeast, Wei is long summer, and everything has grown up since then, hence the name long summer." Long summer is an important solar term that marks the growth of everything in the peak season. After long summer, the sunshine increased, the temperature gradually increased, the thunderstorm increased, and the crops entered the stage of vigorous growth.

2. long summer, one of the 24 solar terms, is also the beginning of Mitsuki. "The bucket refers to the southeast, and the dimension is long summer. Everything has grown up here, so it is named long summer." Long summer's "summer" means "big", and "long summer" means that plants sown in spring have grown upright by this time. Spring, long summer, autumn harvest and winter storage, summer is the best season for many crops to grow vigorously. When it comes to long summer, everything is flourishing. Due to China's vast territory and large span from north to south, natural rhythms vary from place to place. In long summer season, only the area south of Fuzhou-Nanling line in China is the real summer of "dark trees and long summer days, and the balcony reflects into the pond"; And parts of the northeast and northwest have just entered the spring. According to the classification standard of modern climatology (climatic average temperature) in China, the summer begins when the daily average temperature rises steadily above 22℃.