Equinox time in 2023
The autumnal equinox symbolizes the autumn harvest, most crops mature in autumn, and the autumnal equinox also symbolizes the joy of autumn harvest. The autumnal equinox means that in the middle of autumn, the length of day and night is equal. The autumnal equinox divides day and night equally, and the sun is on the horizon all day. After the autumnal equinox, the direct sunlight moves south, the days in the northern hemisphere become shorter, the nights become longer, and the temperature drops, which is of universal significance throughout the country.
The autumnal equinox in 2023 is on Saturday, September 23, 2023, and the ninth day of the eighth lunar month in 2023. It is the sixteenth solar term among the twenty-four solar terms and the fourth solar term in autumn. The sun reaches longitude 180, and the festival is held on September 22-24 of the Gregorian calendar every year.
Characteristics of solar terms in autumnal equinox
The autumnal equinox is characterized by the climate changing from hot to cold. The autumnal equinox is a solar term, indicating the transition from early autumn to late autumn. By this solar term, most parts of the country have begun to enter the cool autumn. When the cold air from the south meets the gradually decaying warm and humid air, the rainfall will take away the heat on the ground and lower the surface temperature. Therefore, after the autumnal equinox, the weather will gradually get cold, and the temperature difference at night will gradually widen.
The increasing temperature difference between day and night is one of the characteristics of the autumn equinox. The temperature is low during the day and high at night, which brings some physical discomfort to people. At the same time, the temperature difference between day and night will also lead to changes in people's mood, making people feel cool and cold. Therefore, the temperature difference between day and night in the autumn equinox season is gradually increasing, which brings some physical and psychological discomfort to people.