Is there a Mid-Autumn Festival among the 24 solar terms?

Mid-Autumn Festival is not a solar term. Twenty-four solar terms refer to: beginning of spring, rain, sting, vernal equinox, Qingming and Grain Rain; Long summer, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu; Beginning of autumn, early summer, white dew, autumnal equinox, cold dew and early frost; Beginning of winter, light snow, heavy snow, winter solstice, slight cold, severe cold. Mid-Autumn Festival, Spring Festival, Tomb-Sweeping Day and Dragon Boat Festival are also called the four major festivals in China.