The last solar term of spring has come. What do you know about the 24 solar terms?

Twenty-four solar terms are an important part of the Chinese nation's long history and culture, expressing the unique view of time of the unity of man and nature, and containing the long cultural connotation and historical accumulation of the Chinese nation. ? 24 solar terms? 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. Grain Rain is the sixth solar term and the last solar term in spring. What does Grain Rain mean? Rain makes a hundred grains? . At this time, the precipitation increased significantly. The seedlings in the field are planted at the beginning, and then new crops are planted. Due to the timely and sufficient rain, the grain is growing well. China's astrology culture has a long history and is profound. The ancients began to explore the mysteries of the universe, thus deducing a complete and profound star-watching culture. The 24 solar terms were originally determined by the rotation of the handle of the Big Dipper. The rotation of the Big Dipper is periodic and closely related to the change of seasons.

During the reign of Emperor Wu of the Western Han Dynasty? Tai chi calendar? Absorbed? 24 solar terms? As a supplement to the calendar that guides agricultural affairs. Divide solar terms by the average time method. What is the longest and shortest starting point of a day from winter solstice and winter solstice, as measured by the shadow of stallion (soil and Guyana) in the Yellow River basin? 24 solar terms? , will separate the next winter solstice and twenty-four equal parts, each? Solar terms? The time between them is equal to the time interval of each solar term, and the uneven speed of the sun on the ecliptic is not considered in the calculation of 15 days. According to? The usual way? The winter solstice is listed as the first of the 24 solar terms. It starts from the solstice of winter and ends with heavy snow. Currently? 24 solar terms? Over 300 years ago? Gas law? , come on? Gas law? Is it the regression method of the sun to determine the position of the ecliptic, that is, the 360-degree circle? Constellation, divided into 24 equal parts, every 15? Equivalent to, from the vernal equinox to 0 degrees, arranged according to longitude.

That is to say, because the sun starts at 0 degrees longitude, every advance of 15 degrees is a solar term, and it returns to the vernal equinox after a week of operation, that is, the year of tropic of cancer. The circumference of the ecliptic is 360 degrees. Does the sun move every 15 degrees on the ecliptic? Solar terms? . Every one? Solar terms? what's up Degree? Equality? What time? No, waiting for 24 solar terms is 24 time points. ? Point? The exact date of sunset is the natural result of celestial movement. Solar quilt? Fixed gas method? Division, starting from beginning of spring, ended in great cold. Twenty-four solar terms are the product of ancient farming civilization, which occupies an extremely important position in the traditional farming culture of China, and contains the long-standing cultural connotation and historical accumulation of the Chinese nation. Twenty-four solar terms are not only time scales promulgated by successive governments, but also compasses to guide agricultural production and predict cold, warm, rainy and snowy weather in daily life. The 24 solar terms are still of practical value to people's life and culture.