The role of the twenty-four solar terms

The functions of the 24 solar terms are as follows:

It reflects the influence of the sun on the earth and belongs to the solar calendar category. It is a knowledge system formed by observing the movement of the sun in a year and understanding the changing laws of the four seasons, climate and phenology in a year. 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.

Twenty-four solar terms can accurately reflect the rhythm and rhythm of nature and reflect the harmonious relationship between man and nature. This is of great practical significance to people at present. Today, with the development of industrialization and informatization, our activity space is more and more confined to the urban forest of reinforced concrete.

The rhythm of life is more and more following the rhythm of machine operation, time is more and more homogeneous, and the relationship with nature is more and more alienated. Therefore, we are increasingly ignoring or even ignoring the value and significance of natural factors to the development of human society.

Therefore, under the policy background of promoting ecological civilization construction in today's country, it is very necessary and realistic to re-understand and deeply explore the traditional harmonious relationship between man and nature behind the 24 solar terms.

Twenty-four solar terms are special festivals in the calendar to express the change of natural rhythm and establish "December architecture", which contains a long cultural connotation and historical accumulation and is an important part of the long history and culture of the Chinese nation.

Four years old, three months in spring, summer, autumn and winter, two solar terms each month, each solar term has its own unique meaning. Twenty-four solar terms accurately reflect the change of natural rhythm and play an extremely important role in people's daily life. It is not only a seasonal system that guides agricultural production, but also a folk system that contains rich folk customs.

Twenty-four solar terms are the product of ancient farming civilization, and are the knowledge system formed by ancient ancestors following the farming season and understanding the changing laws of seasons, climate and phenology in a year by observing the movement of celestial bodies. Twenty-four solar terms were originally formulated according to the replacement of stars. The Big Dipper rotates in cycles and bucket handle rotates clockwise.

It means one of "years old" (figure). The current "twenty-four solar terms" are formulated according to the position of the sun on the return to the ecliptic, that is, the annual movement track of the sun is divided into 24 equal parts, each 15 is 1 equal part, and each 1 equal part is a solar term, starting from beginning of spring and ending from the severe cold.