What is the month of the spring equinox, autumn equinox, summer solstice, and winter solstice?

The spring equinox, autumn equinox, summer solstice, and winter solstice are one of the 24 traditional Chinese solar terms, and their dates are as follows:

Vernal equinox: Usually on March 20 or 21 every year, it indicates the solar term at the beginning of spring.

Autumn equinox: Usually on September 22 or 23 every year, it indicates the beginning of the autumn solar term.

Summer solstice: Usually on June 21 or 22 every year, it indicates the solar term at the beginning of summer.

Winter solstice: Usually on December 21 or 22 every year, it indicates the solar term at the beginning of winter.

It should be noted that due to the difference between the lunar and Gregorian calendars and the difference in geographical location, these dates may fluctuate to a certain extent, and the specific date can be determined according to the lunar and Gregorian calendars of the current year.

The vernal equinox usually occurs on March 20 or 21;

The autumnal equinox usually occurs on September 22 or 23;

The summer solstice usually occurs on June 21 or 22;

The winter solstice usually occurs on December 21 or 22.

The specific times of the spring equinox, summer solstice, autumn equinox, and winter solstice are not fixed. The fluctuation is around three days. Vernal equinox: March 21; Summer solstice: June 21; Autumnal equinox: September 22; Winter solstice: December 21.

On the day of the vernal equinox, the sun shines directly on the Earth's equator, and the seasons in the northern and southern hemispheres are reversed, with the northern hemisphere being the vernal equinox and the southern hemisphere being the autumnal equinox.

On the day of the summer solstice, when the sun reaches the northernmost point of the year, almost reaching the Tropic of Capricorn, the days in the Northern Hemisphere are the longest and get longer the further north they go.

At the autumn equinox, the climate in the south begins autumn from this solar term. On this day, the sun reaches 180 degrees of ecliptic longitude and shines directly on the Earth's equator, so that the day is divided into 24 hours and night, 12 hours each; The global phenomenon of infinite diurnal and nocturnal.

The winter solstice, the yellow longitude of the sun reaches 270 °, and the festival is held on December 21-23 of the Gregorian calendar every year. The winter solstice marks the lowest height of the Sun and the shortest daylight hours in the Northern Hemisphere.

Spring equinox (between March 20 and March 21 in the Gregorian calendar), summer solstice (between June 21 and June 22 in the Gregorian calendar), autumn equinox (between September 23 and September 24 in the Gregorian calendar), and winter solstice (between December 21 and December 23 in the Gregorian calendar).

Gregorian Calendar Time: March 20, 2022 23:33:15 Lunar Date: February (Small) 18th Sunday.

Gregorian Calendar Time: June 21, 2022 17:13:40 Lunar Calendar Date: Tuesday, May (Large) 23rd.

Gregorian Calendar Time: September 23, 2022 9:03:31 Lunar Date: August (Large) Twenty-eighth Friday.

Gregorian Calendar Time: December 22, 2022 5:48:01 Lunar Date: Winter Moon (Small) Twenty-Nine Thursday.

The vernal equinox is celebrated on March 19 and 22 of the Gregorian calendar every year.

The summer solstice is celebrated on June 21-22 of the Gregorian calendar every year.

Autumn Equinox The festival is held on September 22-24 of the Gregorian calendar every year.

The winter solstice is celebrated on December 21-23 of the Gregorian calendar every year.

Vernal equinox: March 21. Summer solstice: June 22. Autumnal equinox: September 23. Winter solstice: December 22. It can be seen that the seventh grade geography of the people's education edition.