In which season is the summer solar term of Ant Manor usually?

Summer solar terms are usually in autumn.

Dou Zhiwu (Southwest); The solar meridian reaches150; August 22-24 of the Gregorian calendar every year. Summer has arrived, which is the "last summer" in the "three summers" of hot and hot weather, which means that the hot and difficult weather is coming to an end.

After the summer heat, the direct point of the sun continued to move southward, the solar radiation weakened, the subtropical high retreated southward, and the summer heat gradually disappeared. Thunderstorm activity is not as active as summer, and the general trend of rainstorm in all parts of the country is weakened. There are many folk activities in summer, such as eating ducks, setting off river lanterns, opening fishing festivals, decocting medicinal tea and offering sacrifices to the land.

Entering summer is a solar term that reflects the change of temperature. The original meaning of "going out" means "stopping" and "staying". "Shuo Wen Jie Zi" says: place, stop. The summer heat means that the hot and difficult weather has come to an end and the summer heat has begun to fade. "Three summers" and "three days" both represent hot and humid weather, and the curves on the time axis and the temperature axis are basically the same: summer is coming, summer is coming; When the sky falls, summer is over.

Historical background:

There are "three summers" in the 24 solar terms, namely, little summer, big summer and long summer, followed by early summer, heatstroke and late summer. There is also a "beginning of autumn" solar term in the middle of the "Three Summers". After beginning of autumn, it is summer, and the heat lasts for a long time. Long-term intense heat is beneficial to the growth and yield of crops. The ancients called the period from beginning of autumn to the autumnal equinox "long summer".

The dog days include four solar terms: Slight Summer, Great Summer, beginning of autumn and Summer. By the time of the heat, the dog days have passed or ended. The summer heat subsides slowly, and it doesn't get cold as soon as it drops. Although the summer solar term is still hot, the temperature has generally begun to show a downward trend.

In summer, the bucket handle of the Big Dipper points southwest (E position). When the sun reaches longitude 150, the node time is around August 23rd in Gregorian calendar. In summer, the direct point of the sun has moved from 23 26' north latitude to1128' north latitude. At this time, if you watch the Big Dipper at night, you will find that the curved bucket handle still points southwest.