What is the meaning of the fall equinox What is the basic meaning of the fall equinox Meaning 1: equal day and night. The sun reaches 180 degrees of yellow longitude on this day, directly above the Earth's equator, so most of the world this day's 24-hour day and night are equally divided, each 12 hours. After the autumnal equinox, the sun's point of direct sunlight began to enter the southern hemisphere from the equator, the northern hemisphere began to shorten the day and night, the day began to be shorter than the night; near the North Pole is also about to usher in the year for six consecutive months of the long night and six consecutive months of the indestructible starry sky. Meaning 2: The climate changes from hot to cool. According to China's ancient seasonal division of spring, summer, autumn and winter as the beginning of the four seasons, the Autumnal Equinox resides in the middle of the 90 days of autumn, equally dividing the autumn season. Meaning 3: Indicates the middle of fall. Because the Autumn Equinox is exactly in the middle of the fall, it equally divides the fall. According to the work "The Seventy-two Waiting Periods of the Moon Order", "the equinox is seen in the middle of August". Spring and Autumn Fandanglu - Yin and Yang in and out of the upper and lower chapters, said: "Autumn equinox, yin and yang half also, so the day and night are even and the cold and heat are equal." In ancient times, China divided the fall equinox into three seasons: "The first season is the beginning of the thunder; the second season is the beginning of the stinging insects; the third season is the beginning of the drying up of the water." Ancient people believe that the thunder is because of the yang qi is full of sound, after the autumnal equinox yin qi began to flourish, so no longer thunder. Autumn equinox three meanings: a wait: Ray began to close the sound Bao said: Ray, February Yang in the sound, August Yin in the sound, into the ground, then everything with the into also. Ancient people believe that the thunder is because of the yang qi sound, after the autumn equinox yin qi began to flourish, so no longer thunder. Therefore, the sound of thunder is not only the end of the summer, but also the beginning of the autumn cold, but also the beginning of the decay of all things, the weather is also gradually cold and chilly. Second weather: stinging insects billet household "Rituals" note said: billet, benefit its stinging hole of the household, so that the bright place is slightly smaller, to cold, is _ plugged also. Due to the cold weather, dormant insects began to hide in the cave, and with fine soil to seal up the hole to prevent the cold from invading. Autumn, with the meaning of "collection", winter animals began to store food. Human beings are concerned about harvesting in the fall, firstly, to comfort the joy of harvesting in the spring, and secondly, to prepare food for the coming year. In line with the changes of the season, this time the way to act, avoid "full" and appropriate "convergence", when the free release, should not be too ostentatious. Third weather: the water began to dry up "Ritual" note said: "the water of the gas for", spring and summer gas to, so long, fall and winter gas back, so dry also. Is that at this time the rainfall began to decrease, due to dry weather, water vapor evaporation fast, so lakes and rivers in the amount of water becomes less, some swamps and puddles will be in the dry.