How many solar terms are there in Spring Rain and Valley Clearing Day?

Spring rain has six solar terms, namely beginning of spring, Rain, Sting, Equinox, Qingming and Grain Rain. These are mainly solar terms in spring.

This sentence comes from the twenty-four solar terms Song Dynasty. The whole sentence is: Spring rains shock spring and clear valleys, and summer is full of mountains and summer is connected. Autumn dew, autumn frost, little snow in winter and cold in winter. Twenty-four solar terms depend on the season, and each season includes six solar terms. This division is very uniform, dividing a year into 4624 solar terms.

Spring Rain beginning of spring and Valley Clearing Day: Representing solar terms such as beginning of spring, rain, sting, vernal equinox, Qingming and Grain Rain, mainly spring solar terms.

Xiaren, Shanren and Dashu are connected: they represent Changxia, Xiaoman, Shanzi, Summer Solstice, Xiaoshu and Dashu respectively, which are the solar terms of summer.

Autumn Dew, Autumn Cold and first frost: solar terms representing beginning of autumn, Chushu, Bailu, Autumn Equinox, Cold Dew and Autumn Frost.

Winter snow and winter slight cold: It represents the solar terms of beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold.

In ancient times, people had nothing special to record climate change. Ordinary working people want to know when it is suitable for farming and harvesting, relying entirely on the wisdom handed down from the older generation. So in the long-term labor practice, everyone summed up such a song of 24 solar terms.