True or false: Twenty-four solar terms were a supplementary calendar used to guide agriculture in ancient China.

That's right. Twenty-four solar terms is a kind of legislation used to guide farming in ancient China, which is correct. Twenty-four solar terms were used in agriculture in ancient times.

"Twenty-four solar terms" is the product of ancient farming civilization, and farming production is closely related to the rhythm of nature. It is a knowledge system formed by ancient ancestors who followed the agricultural time to observe the movement of celestial bodies and realized the changing laws of one year, climate and phenology.

Each solar term represents different changes in time, climate and phenology. The twenty-four solar terms express the unique concept of time between human beings and the natural universe, and contain the long-standing cultural connotation and historical accumulation of the Chinese nation. It not only plays a guiding role in agricultural production, but also affects the food, clothing, housing and transportation of ancient people, and even cultural concepts.

Extended data:

Twenty-four solar terms scientifically reveal the laws of astronomical and meteorological changes, skillfully combine astronomy, agriculture, phenology 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. "Fen" means vernal equinox and autumnal equinox, which is 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" If you choose the key points in the eight sections, it is the "second solstice" of the summer solstice and the winter solstice.

In the long farming society, the 24 solar terms have played an important guiding role in agricultural activities and have rich cultural connotations. Some important solar terms such as beginning of spring, Winter Solstice and Qingming also have interesting folk customs, such as "biting spring" and "hiking".

Baidu encyclopedia-24 solar terms