Advertising solar terms and

There are four seasons in heaven and earth, and there are beautiful rivers and mountains in China.

These two sentences are public service advertisements about 24 solar terms, China made by CCTV, that is, there are 24 solar terms alternately between heaven and earth, but the land of China is also pregnant with colorful and beautiful rivers and mountains with changes. On the one hand, the program aims to carry forward the long-standing culture of the 24 solar terms in China, and on the other hand, it aims to spread the green ecological concept of loving environmental protection to people.

Solar term is a special festival in the trunk and branch calendar that expresses the change of natural rhythm and establishes "December construction" (monthly order). 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.

The twenty-four solar terms are related to cadres and gossip and have a long history. In the historical development, the 24 solar terms have been incorporated into the lunar calendar and become an important part of the lunar calendar.

Twenty-four solar terms are the product of ancient farming civilization, which occupies an extremely important position in China's traditional farming society. Agricultural production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors following the farming season, observing the movement of celestial bodies and understanding the changing laws of one year, climate and phenology.

Scientifically reveals the law of astronomical and meteorological changes, skillfully combines astronomy, agriculture, phenology and folk customs, and derives a large number of related seasonal cultures. The 24 solar terms in 20 1 16 were selected into UNESCO's representative list of intangible cultural heritage of mankind.

Folk culture of solar terms

Twenty-four solar terms scientifically reveal the laws of astronomical and meteorological changes, skillfully combine astronomy, natural rhythm and folk customs, and derive a large number of related seasonal cultures, which have become an important part of China traditional culture. In order to express the characteristics of time series more accurately, the ancients divided solar terms into four groups according to climate and phenology: divided, arrived, opened and closed.

The vernal equinox and autumnal equinox were called "dichotomy" in ancient times; "Solstice" is the summer solstice and the winter solstice, which was called "the second solstice" in ancient times. "Open" is beginning of spring and Changxia, "closed" is beginning of autumn and beginning of winter. Beginning of spring, Changxia, beginning of autumn and beginning of winter are collectively called "four calendars" and add up to * * * as "eight festivals".

Folk call it "four seasons and eight festivals" or "eight festivals a year" In the long farming society, the 24 solar terms have played an important guiding role in farming activities and have rich cultural connotations.