Geographically, when are the dates of vernal equinox, summer solstice and autumn solstice?

1. The vernal equinox is around March 2 1.

The solstice in summer is about June 22nd.

The autumnal equinox is around September 23rd.

The winter solstice is around 65438+February 22nd.

Related introduction:

First, the vernal equinox

One of 24 solar terms, March 20th or 2 1. On this day, the northern and southern hemispheres are as long as day and night. Every year on March 20th or 2 1 Gregorian calendar.

On this day, the sun shines directly on the equator, and the length of day and night in the northern and southern hemispheres is equally divided, hence the name. Song Sushi's poem "Snow after the Autumn Equinox": "Snow comes in spring."

It is rare to see provinces, where peaches and apricots are half open. "

Second, the summer solstice

The solstice summer is coming, sometimes it is rainy and sometimes it is sunny. The solstice in summer is the time when many places enter the "barbecue mode". The day of the summer solstice.

The sun shines directly on the Tropic of Cancer, and the northern hemisphere receives the strongest light in a year, with long days and short nights. Summer solstice is also one of the earliest 24 solar terms established in China.

It has the significance of guiding farming and foreshadowing the dog days.

Third, the autumnal equinox

As one of the twenty-four solar terms, the autumnal equinox means that day and night are equally divided, and it also means that autumn is equally divided. Speaking of the solar term of autumnal equinox, South China

It has just officially entered autumn in this area, and the temperature has been cool night after night.

Fourth, the winter solstice.

The winter solstice is the year with the shortest day and the longest night in the northern hemisphere. After the solstice in winter, the days will get longer day by day. Ancient people's understanding of winter solstice

The saying is: when the cathode arrives, the yang begins to grow, the sun goes south, the day is short and the shadow is long, so it is called "winter solstice".