The autumnal equinox has two meanings, one is to divide autumn equally, and the other is to divide day and night equally.

The autumnal equinox solar term is not only an important agricultural solar term in an autumn newspaper country, but also develops the connotation of celestial worship with the theme of loving life, and also shows the efforts of the ancient people in China to adapt to the season and construct social order. In the connotation of such solar terms, we fully understand the respect for nature and the love for life of the ancient people in China.

the autumnal equinox is one of the four solar terms, which are equally famous as the vernal equinox, the summer solstice and the winter solstice. It is the 16th solar term of the twenty-four solar terms and the fourth solar term in autumn. The word "autumnal equinox" has two meanings, one is to divide autumn equally, that is to say, by the autumnal equinox, autumn is already over half; The two fingers divide the day and night equally. At this time, the sun runs on the ecliptic and reaches 18 degrees of the ecliptic. The sunlight is almost direct to the equator, and most parts of the earth are equal day and night.

The autumnal equinox is a solar term with complicated connotation, which involves many aspects such as farming, astronomy and personnel, and embodies the attitude and emotion of China people who respect nature and love life.

Minute is first of all a very important agricultural solar term, and it is the "Sanqiu" busy season of autumn harvest, autumn planting and autumn ploughing. On the one hand, "Everything is born at the vernal equinox, and it is made at the autumnal equinox" (Wen Zi Shangren), and the autumnal equinox is the harvest season for most crops. For example, in Northeast China, rice, corn, sorghum, soybeans and sweet potatoes are harvested at the autumnal equinox, while the autumn harvest farming in North China is almost over; On the other hand, the autumnal equinox is also the sowing time of winter wheat and other crops. There is a saying in North China that "the white dew is early, the cold dew is late, and the autumn equinox is the right time to plant wheat".

The autumnal equinox is the key moment to determine whether the double-cropping late rice can yield high, so it is necessary to strengthen field management. Therefore, there is an agricultural proverb that summer is busy for half a month and autumn is busy for forty days.