Traditional solar term autumnal equinox mobile wallpaper pictures

A set of traditional solar terms and autumnal equinox mobile phone wallpaper pictures are shared with everyone. Wallpaper size: 1080x1920. The autumnal equinox is the sixteenth of the twenty-four solar terms and the fourth solar term of autumn.Dou Zhiji; the sun reaches 180° of ecliptic longitude; the festival is held on September 22-24 every year in the Gregorian calendar.On the autumnal equinox, the sun shines almost directly at the Earth's equator, making days and nights the same length all over the world.