Named after the 24 solar terms

Suitable are the early spring rain and the early autumn dew in Grain Rain.

24 solar terms:

Beginning of spring, Rain, Creeping, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu, beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew, Chufrost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

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

Beginning of spring, vernal equinox, long summer, summer solstice, beginning of autumn, autumnal equinox, beginning of winter and winter solstice are eight solar terms.

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.