How many solar terms are there in a year?

The 24 solar terms are: beginning of spring, Rain, Sting, Spring Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Busy, Summer Solstice, Slight Summer, beginning of autumn, Chushu, Bailu, Autumn Equinox, Cold Dew, First Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

Extended data:

Twenty-four solar terms refer to the special festivals in the dry calendar that express the seasons, phenology, climate change and the establishment of "December architecture", which reflect the influence of the sun on the earth and are listed in the representative list of human intangible cultural heritage.

Twenty-four solar terms were established in the pre-Qin period in China and completely established in the Han Dynasty to guide farming. It is a knowledge system formed by observing the annual movement of the sun and understanding the changing laws of seasons, climate and phenology in a year. It divides the annual movement track of the sun into 24 equal parts, and each equal part is a solar term, starting from beginning of spring and ending with the great cold.