How many solar terms are there in China a year?

Keywords beginning of spring, rain, fright, vernal equinox, Qingming, Grain Rain,

Long summer, small man, mangzhong, summer solstice, xiaoshu, dashu,

Keywords beginning of autumn, first summer heat, white dew, autumnal equinox, cold dew, first frost,

Beginning of winter, light snow, heavy snow, winter solstice, slight cold, severe cold.