24 Solar Terms Autumnal Equinox mobile wallpaper

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A set of autumnal equinox mobile wallpapers of the 24 solar terms is shared with everyone. 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.

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