What is the name of the last day of autumn?

The last day of autumn is called autumnal equinox.

The last day of each season, vernal equinox, summer solstice, autumn equinox and winter solstice. Generally speaking, the spring equinox is on March 2 1 or 22, and the summer solstice is on June 2 1 or 22.

The autumnal equinox is on September 2 1 or 22, and the winter solstice is on February 2 1 or 22. The autumnal equinox is equally divided day and night, the summer solstice is equally divided day and night, and the winter solstice is equally divided day and night, which is what we usually call the last day of the four seasons.

The autumnal equinox is the sixteenth of the twenty-four solar terms, and the time is generally from September 22nd to September 24th of the Gregorian calendar every year. On the autumnal equinox, the sun reaches the longitude 180 (autumnal equinox), almost reaching the equator of the earth, and the whole world is as long as day and night. In ancient times, there was a saying that "the sun is sacrificed in spring and the moon is sacrificed in autumn", and the autumnal equinox was once a traditional "moon festival". 20 19 Mid-Autumn Festival is a traditional "Moon Festival".

The climate of autumnal equinox

In the autumn equinox, most parts of China have entered a cool autumn. The cold air from the south meets the gradually decaying warm and humid air, which causes repeated precipitation and the temperature drops again and again. As people often say, it's time for "an autumn rain and a cold", but the daily precipitation after the autumnal equinox will not be great. At this time, the field farming in the south and the north is different.

In northern China, there is an agricultural proverb that says: "The white dew is early, the cold dew is late, and it is the right time to plant wheat in the autumn equinox." Proverbs clearly stipulate the sowing time of winter wheat in this area.

And "White clouds come in autumn equinox, good songs and good rice seeds are everywhere" reflects the planting time of rice in Jiangnan area. In addition, the taboos of working people on the solar terms of the autumnal equinox are also summed up as proverbs, such as "the autumnal equinox is only afraid of lightning, and more meters are more expensive."