Is today the summer solstice?

Today is not the summer solstice. Today is July 4th, 2022, so it is not the summer solstice. The summer solstice is June 2, 20221day. Summer solstice is 10 of the 24 solar terms. At noon, the yellow meridian of the sun is 90 degrees. June 2 1~22 of Gregorian calendar.

On the day of summer solstice, the position where the sun shines directly on the ground reaches the northernmost part of the year, almost directly on the tropic of cancer. At this time, the daylight hours in all parts of the northern hemisphere reach the longest in the whole year. For the Tropic of Cancer and its northern region, the summer solstice is also the highest day at noon in a year.

Phenological phenomena:

Some ancient China literary works divide the summer solstice into three stages:

As soon as the antlers are dissolved, it means that the antlers are forward, so they belong to Yang, and they are thought to be born in summer and begin to decline, so the antlers begin to fall off, while the milu deer is yin, so they fall off in winter (the milu deer belongs to the same family, but the ancients thought it belonged to Yin and Yang).

When the cicada starts to sing, it means that after the summer solstice, the male cicada will flap his wings and sing.

Pinellia ternata was born in the third season, which means that Pinellia ternata is a shade-loving herb, named after it was born in swamps or paddy fields in midsummer. It can be seen that in the hot summer, some creatures that like yin begin to appear, while those that like yang begin to decline.