When is the first solar term in long summer?

Long summer is the seventh solar term among the 24 solar terms, and it is also the first solar term in summer. Long summer is between Grain Rain and Xiaoman. This means the official start of the midsummer season. When the sun reaches 45 degrees of the yellow meridian, it is the solar term of long summer. The bucket refers to the southeast, and the dimension is long in summer. Everything has grown to this day, hence the name Long Summer.

The 2022 long summer solar term begins at 20:25:46 on Thursday, May 5, 2022 and ends at 9:22:25 on Saturday, May 2, 2022.

According to the standard of climatology, summer begins when the average temperature of that day rises above 22℃. Before and after the "Long Summer", only the area south of Fuzhou-Nanling Line really entered the summer in China, while some areas in the northeast and northwest just entered the spring at this time, and the average temperature in most parts of the country was around 18-20℃.

In the long summer, the temperature in the north and south of China is very different, and fluctuates frequently in the same area. The temperature in the rest of South China is around 20℃. The low-altitude valley felt hot in summer as early as mid-April, and the temperature in long summer was above 24℃. Therefore, it is also a period of frequent crop diseases and insect pests, and it is also a period when people are prone to catch a cold.

If beginning of winter is dormant and hibernating to cultivate one's morality, and beginning of spring is waking up the earth and sprouting, then the long summer is a frog leaping and cicadaing with green eyes. A poem "Little Pond" by Yang Wanli, a poet in the Song Dynasty: "The spring eyes are silent and pity the trickle, and the shade of trees shines on the water and loves sunny and soft." Xiao He just showed his sharp corner, and the dragonfly had already stood on his head. "This is a sketch of the early summer scenery.