What does the autumnal equinox mean? What does the autumnal equinox mean? The autumnal equinox means that in the middle of autumn, the length of day and night is equal. It means: first, the time between day and night is equal. On this day, the sun reached the longitude 180 degrees, and directly hit the equator of the earth. Therefore, in most parts of the world, 24 hours are divided equally between day and night, each being 12 hours. After the autumnal equinox, the direct point of the sun began to enter the southern hemisphere from the equator, and the northern hemisphere began to have shorter days and longer nights, and the day began to be shorter than the night. Near the North Pole, there are long nights and stars for six months in a year. Second, the climate changed from hot to cold. According to the division of seasons in ancient China, which started with beginning of spring, Changxia, beginning of autumn and beginning of winter, the autumnal equinox is divided into 90 days in autumn and divided equally in autumn. According to the lunar calendar, "beginning of autumn" is the beginning of autumn and ends with "the first frost", and the "vernal equinox" is just half of the 90-day journey from beginning of autumn to the first frost. At the autumnal equinox, the Yangtze River basin and its vast northern area have entered autumn, and the daily average temperature has dropped below 22℃. The cold air mass in the north began to have some influence. In most areas, the rainy season has just ended, with a cool breeze blowing gently, the sky is high and the clouds are light in Wan Liqing, the air is crisp in autumn, the sweet-scented osmanthus is fragrant, the crab is fat and the chrysanthemum is yellow, and the autumn equinox is a beautiful and pleasant season. It is also an important solar term in agricultural production. After the autumnal equinox, the direct point of the sun moved to the southern hemisphere, and the northern hemisphere got less and less solar radiation, while the ground lost more heat and the temperature dropped significantly. Folk activities in the autumn equinox: 1. The folk festivals around the autumnal equinox are February 15, Zhang Kai's birthday: Wang Sheng, also known as "Chen", was a warrior of the Tang Dynasty, Chen Yuanguang, who made contributions to Zhangzhou and became the patron saint of Zhangzhou after his death. February 19 is the birthday of Guanyin Bodhisattva. Every birthday, many believers will go to Guanyin Temple to worship. On February 25th, Sanshan King Sacrifice Day: Sanshan King refers to Dushan, Mingshan, Jinshan and other mountain gods in Jieyang County, Chaozhou Prefecture, Guangdong Province. In the early years, Chaozhou Hakka immigrants were patrons in autumn, so the believers were mainly Hakkas. Worship to God refers to the act or etiquette of offering sacrifices to gods or other objects or expressing one's sincerity and worship in temples, Taoist temples or other religious places. When you go to the temple to worship God, you can find that there are many incense burners besides the Lord God, such as Fude, Heaven and Earth, Door God or other gods. Pay attention if you don't pay attention. Stick the sparrow's mouth on the autumnal equinox, and farmers have a holiday according to the custom. Every family should eat dumplings, cook a dozen or twenty or thirty dumplings without wrapping them, and put them on the edge of outdoor fields with thin bamboo forks, which is called sticking sparrows' mouths so as not to destroy crops. Of course, it is only the farmers' beautiful imagination and desire to stick dumplings on sparrows' mouths, but it also illustrates the truth that dumplings are sticky, difficult to digest and should not be eaten more. Tangyuan is mainly made of glutinous rice with other ingredients. Glutinous rice is warm and sweet, and the added ingredients are often high in sugar and calories. Eating a small amount in spring and cold season is helpful to replenish body heat energy, tonify deficiency, regulate blood, strengthen yang and strengthen spleen. But glutinous rice is sticky and difficult to digest, and it is easy to accumulate food if you eat too much. Paired with spicy food such as onion and garlic, it can balance the flagging effect of glutinous rice balls.