What is the significance of the 24 solar terms?

The naming of the 24 solar terms reflects the changes of seasons and climate.

Beginning of spring, vernal equinox, long summer, summer solstice, beginning of autumn, autumnal equinox, beginning of winter and winter solstice indicate the changes of cold and heat; Slight heat, severe heat, intense heat, slight cold and severe cold symbolize temperature changes.

Rain, Grain Rain, white dew, cold dew, first frost, light snow and heavy snow reflect precipitation; Amazing, clear, small full, Miscanthus response phenology or farming.

The vernal equinox, autumnal equinox, summer solstice and winter solstice reflect the height change of the sun; Beginning of spring, Changsha, beginning of autumn and beginning of winter reflect the beginning of the four seasons. White dew, cold dew and first frost essentially reflect the process of gradual temperature drop. Surprise and clarity reflect natural phenology.