[Twenty-four solar terms]

In ancient China, a year's festivals were divided according to the climate. Namely, beginning of spring, rain, fright, vernal equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, Dashu, beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew, Chufrost, beginning of winter, light snow, heavy snow, winter solstice, slight cold and severe cold. Also known as "Twenty-four Qi". In the ancient calendar of China, according to the position of the sun on the ecliptic, a year was divided into 24 solar terms. Its names are: beginning of spring, Yu, Jing Zhe, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoshu, beginning of autumn, Chushu, Bailu, Autumnal Equinox, Cold Dew, Early Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Great Cold. The first day of each paragraph is the section name. Twenty-four solar terms represent climate change and agricultural season, which is of great significance in agricultural production and is the characteristic of our summer calendar. "Preface to Historical Records Taishi Gong": "There is a decree at 4: 08, 12: 00 and 24: 00." Twenty-four solar terms written by Zhao Yi in Qing Dynasty: "Twenty-four solar terms" can be found in Huainanzi Astronomy and Hanshu Chunqiu. For more than three generations, Yao Dian has been divided into two parts, and the rest have not been seen, but the Xun Jie of Zhou Shushi in Central Hebei has only twenty-four sections. The preface reads:' Duke Zhou distinguished the reaction of the twenty-four Qi, based on the weather, and made a' interpretation of the time training'. Its name is based on the Duke of Zhou. "

Word decomposition

According to the position of the sun, 24 points are set in a year, and each point is called a solar term. It usually refers to the day when each point is explained in detail. Jude season and climate. Seasons and Climate On Balance and Cold Temperature: "On a cold and warm day, there is obviously gas." Southern Dynasties and Song Dynasty