Summer is full, summer is full, and summer is summer. Summer is summer.

"Summer connection" refers to the minor summer heat and major summer heat in the 24 solar terms, that is, minor summer heat is major summer heat.

This sentence comes from "Twenty-four solar terms". Twenty-four solar terms were formulated by the ancients according to the ecliptic plane, belonging to the solar calendar category, and were concluded in the pre-Qin era. In the Han Dynasty, taichu calendar was absorbed as a supplementary calendar to guide farming. It was not only a time standard promulgated by governments in previous dynasties, but also a compass to guide agricultural production. People's compass for predicting cold, warm, rainy and snowy weather in daily life is the crystallization of the long-term experience and wisdom of Chinese working people.

The full text is as follows:

The spring rain surprised the spring and the valley.

Summer is full, summer is full, and summer is hot.

Autumn dew and autumn frost.

It snows in winter, it snows in winter, and it's a little cold in winter.

The 24 solar terms are: beginning of spring, Rain, Sting, Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoxia, Daxia, beginning of autumn, Early Summer, Bailu, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Severe Cold.

Extended data

1, 2016165438+1October 30th, 24 solar terms was officially listed in UNESCO? List of representative works of human intangible cultural heritage. In the field of international meteorology, the 24 solar terms are known as "the fifth invention of China".

2. Twenty-four solar terms in China represent twenty-four different positions of the earth in the orbit of revolution. Because it takes 365 days for the earth to go around the sun, there is a solar term every fifteen days, and each solar term represents different changes in climate, phenology and time.

The start date of the twenty-four solar terms is almost the same every year in the solar calendar, with a difference of one or two days at most, which is precisely because the solar terms, like the solar calendar, are based on the earth's orbit around the sun once a year.

References:

Baidu encyclopedia-24 solar terms