What is the summer solar term?

Being in summer is the fourteenth of the twenty-four solar terms.

Dou Zhiwu (Southwest); The solar meridian reaches150; August 22-24 of the Gregorian calendar every year. Being in the heat is "out of the heat", that is, out of the heat. In summer, the direct point of the sun continues to move southward, the solar radiation weakens, the subtropical high also withdraws southward, the temperature gradually drops, and the summer heat gradually disappears. The arrival of summer means that the hot and difficult weather is over. During this period, the weather is still hot, but it has shown a downward trend.

Astronomical calendar:

In summer, the bucket handle of the Big Dipper points southwest (E position). When the sun reaches the longitude of 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. As the height of the sun decreases, the heat it brings will also decrease. At this time, if you watch the Big Dipper at night, you will find that the curved bucket handle still points southwest.