What does the twenty-four solar terms mean?

1, indicating the change from cold to summer: beginning of spring, vernal equinox, long summer, summer solstice, beginning of autumn, autumnal equinox, beginning of winter and winter solstice; There are five solar terms symbolizing temperature change: slight summer heat, great summer heat, summer heat, slight cold and severe cold; Reflecting precipitation are: rain, Grain Rain, Bailu, cold dew, first frost, light snow and heavy snow; The solar terms reflecting phenological phenomena or agricultural activities are: fright, Qingming, Xiaoman and Mang.

2. The vernal equinox, autumnal equinox, summer solstice and winter solstice are divided from an astronomical point of view, reflecting the turning point of solar height change.

Beginning of spring, Changchun, beginning of autumn and beginning of winter reflect the beginning of the four seasons. Because China is a vast country with a very obvious monsoon and continental climate, the weather and climate vary greatly from place to place, so the four seasons in different regions are also very different.