What are the 24 solar terms?

The 24 solar terms, namely beginning of spring, Rain, Surprise, Spring 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, Winter Solstice, Slight Cold and Severe Cold, are all based on the sun's ecliptic.

In order to facilitate memory, there is a song "Twenty-four solar term song" in China traditional culture. The whole song is only four sentences, short and pithy, and children with primary school education can recite it casually:

The spring rain shakes the spring and the valley days, and the summer is full of mountains and summers.

Autumn dew, autumn frost, little snow in winter and cold in winter.