Which of the following names does not belong to the 24 solar terms?

What does not belong to the twenty-four solar terms is Dafu.

Twenty-four solar terms refer to twenty-four seasons and climates, which is a supplementary calendar formulated by China in ancient times to guide farming, and is the crystallization of the long-term experience and wisdom of the working people of the Chinese nation. They are beginning of spring, Rain, Surprise, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Slight Summer, Great Summer, beginning of autumn, Early Summer, Millennium, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

And "Dafu" refers to the dog days of the China lunar calendar, which is the hottest time every year. According to the lunar calendar, it is between the middle and late July and the early August of the solar calendar. ? This is a folk term, which has nothing to do with agricultural climate and does not belong to solar terms.