Twenty-four solar terms list order

The order of the 24 solar terms is: beginning of spring, rain, fright, vernal equinox, Qingming, Grain Rain, Long Summer, Xiaoman, Busy, Summer Solstice, Slight Summer, beginning of autumn, Early Summer, White Dew, Autumn Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Winter Solstice, Slight Cold and Severe Cold.

Twenty-four solar terms, a supplementary calendar to guide farming in ancient China, were formed in the Spring and Autumn Period and the Warring States Period. Because the lunar calendar in China is a kind of "yin and yang calendar", which is based on the movement of the sun and the moon, it can't fully reflect the solar cycle. But China is an agricultural society, and agriculture needs a strict understanding of the movement of the sun.

Farming is carried out entirely according to the sun, so the "24 solar terms" which reflect the solar cycle alone are added to the calendar as the standard for determining leap months. Twenty-four solar terms can reflect the changes of seasons, guide agricultural activities and affect the food, clothing, housing and transportation of thousands of families.

The twenty-four solar terms are divided according to the position of the sun on the ecliptic (that is, the orbit of the earth around the sun). Depending on the sun starting from the vernal equinox (longitude zero, at this moment the sun shines vertically on the equator), every advance of 15 degrees is a solar term; After a week's operation, I returned to the vernal equinox, which is a tropical year with 360 degrees, so it is divided into 24 solar terms.

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Twenty-four solar terms, the product of ancient farming civilization, occupy an extremely important position in China's traditional farming culture, which contains the long-standing cultural connotation and historical accumulation of the Chinese nation. Twenty-four solar terms are not only the time criterion promulgated by successive governments, but also the compass to guide agricultural production and to predict cold, warm, snow and rainy days in people's daily life.

The twenty-four solar terms have been of practical value to people's life and culture since ancient times. Twenty-four solar terms are the concrete division, replacement and periodic reappearance of time, among which the solar terms that mark the change of solar terms are the symbolic time of time movement and cycle, and are the important nodes of yin-yang transformation.

The establishment of the twenty-four solar terms and December is the basic content of the official calendar. The official calendar takes bucket handle of the Big Dipper as its foundation, and bucket handle as its spring (the first month). Its calendar system with the first month of spring as its first month has a far-reaching influence on the establishment of calendars in later generations.