Equinox is what mean

"Pulled seventy-two hou set solution" : "(a summer) in February, points half also, when half of the ninety - day, so the call.In the autumn of synonymy.Han dong "autumn autumn, book of Yin and Yang, discrepancy and" : "as for the Mid-Autumn moon, Yang in the east, Yin in illicit affair," the autumnal equinox.Half or autumnal equinox, the Yin and Yang, reason both night and day and year."According to the lunar calendar, the "beginning of autumn" is the beginning of the fall, to the "frost" for the autumn is terminated, and "the autumnal equinox" just half of the 90 days from the beginning of autumn to frost.The Gregorian calendar every year on September 23 or 24, as in the traditional Chinese festivalsThe 24 solar termsOne of the autumnal equinox.

Autumnal equinox, "points" for "half".The autumnal equinox, the global length of day and night.After the autumnal equinox, around the northern hemisphere, night and day, grow shorter across the southern hemisphere day night gradually grow shorter.China's ancient books "sections about chun-qiu theory, Yin and Yang from handover", said: "the autumnal equinox, the Yin and Yang in half also, so both night and day and year ping.

In ancient China the autumnal equinox is divided into three hou, "a bird to hou yuan;2 HouLei is voice;Three hou electricity."Equinox is said in the future, the swallow flew in from the south,It rainsThe sky was thunder and lightning;And said: "a HouLei beginning to silence;Two hou zhi worm billet households;Three hou water dry ".Mean ray is because the sun be the spirit the chink, autumnal equinox Yin qi began to strong, so no longer thunder ".

The autumnal equinox season, most of our country has entered the cool autumn, the southward cold air meet with gradual attenuation of moist air, precipitation time and time again, the temperature has dropped again and again.As people often say, in the rain "a cold", but after the autumnal equinox, rainfall will not be huge.At this point, the south and the north of different fields.In the north of our country have the farmer's proverb said: "the millennium early, late cold dew, autumnal equinox wheat planting outside."Planting of winter wheat in the region of proverbs in the specified time;And "the autumnal equinox yun-lai bai weather, good song good rice planted everywhere" reflects the time of planting rice in the south of the Yangtze river.In addition, the working people of autumnal equinox solar term taboo also, summarized into proverbs such as "the autumnal equinox is thunder lightning, more than rice how expensive".

The characteristic of fast cooling to the autumn harvest, autumn autumn ploughing, and to prepare "sowing and ploughing" a lot of looks very nervous.According to research, very early in China is "the autumnal equinox" as a symbol of farming.Han cui w in four and wrote: "every big wheat the millennium section can be in her youth, he in the autumnal equinox, ten days after the field of China and the United States."Autumnal equinox, is a good time to harvest.Farmers friends want to rush in the harvest the autumn harvest crops in time, avoid harm suffered ZaoShuangDong and sounds;To timely early sowing DongZuoWu, fertility lay the foundation for the coming year.