What does the solar season mean?

It's twenty-four solar terms. Solar term: one of the twenty-four qi. Since the slight cold, every 30-degree increase in the solar meridian is another solar term. There are slight cold, beginning of spring, Jingzhe, Qingming, Changxia, Mangzhong, Xiaoshu, beginning of autumn, Bailu, Hanlu, beginning of winter and Daxue. It's called twelve solar terms.

Festivals: Solar terms are seasonal. Lu youyou

There is a song in the twenty-four solar terms: Spring rains shake the spring and clear the valley, summer is full and summer is hot. Autumn dew, autumn frost, little snow in winter and cold in winter.

One explanation:

Spring Rain Starts Spring and Bright Valley Days: beginning of spring, Rain, Sting, Equinox, Qingming, Grain Rain.

Summer is full of mountains and summer is hot: long summer, small full, mangzhong, summer solstice, light summer and great summer.

Autumn dew autumn frost autumn: beginning of autumn, summer heat, dew, autumnal equinox, cold dew, first frost.

Winter snow is slightly cold in winter: beginning of winter, light snow, heavy snow, winter solstice, slight cold, severe cold.