What are the 24 solar terms What are the 24 solar terms

In ancient China, the sundial was measured by Tugui, and the longest annual shadow was set as the "solstice" (also known as the day solstice, the long solstice, and the winter solstice), and the shortest day shadow was the "day short solstice" (also known as the short solstice, summer solstice). In spring and autumn, when the length of day and night is equal, it is designated as the "spring equinox" and "autumn equinox". In the Shang Dynasty, there were only four solar terms, but by the Zhou Dynasty it had developed to eight, and by the Qin and Han dynasties, the twenty-four solar terms had been fully established.

In 104 B.C., the "Taichu Calendar" formulated by Deng Ping officially set the 24 solar terms in the calendar, clarifying the astronomical position of the 24 solar terms.

The names of the 24 solar terms were first seen in the Huainanzi Tianwenxun, and the concepts of yin and yang, the four hours, the eight positions, the twelve degrees, and the twenty-four solar terms are also mentioned in the "On the Essence of the Six Schools" in the "Historical Records of Taishi Gongzi Self-Order". During the reign of Emperor Wu of the Han Dynasty, the solar terms were compiled into the "Taichu Calendar", and the month without Zhongqi was set as the leap month of the previous month.

Each of the 24 solar terms corresponds to a certain position reached by the Sun for every 15° movement on the ecliptic. The 24 solar terms are divided into 12 solar terms and 12 middle terms, one by one. The 24 solar terms reflect the annual apparent movement of the sun, so their dates are relatively fixed in the Gregorian calendar, the solar terms in the first half of the year are on the 6th, the middle solar terms are on the 21st, the solar terms in the second half of the year are on the 8th, and the middle solar terms are on the 23rd, and the two are the same as 1 2 days.

The naming of the 24 solar terms reflects three types: seasonal, climatic phenomena, and climate change. The reaction seasons are the beginning of spring, the spring equinox, the beginning of summer, the summer solstice, the beginning of autumn, the autumn equinox, the beginning of winter, and the winter solstice, also known as the eight; The reaction to climatic phenomena is the sting, Qingming, Xiaoman, and mangzhong; Reflecting climate change are rain, valley rain, small heat, big heat, heat, white dew, cold dew, frost, light snow, heavy snow, small cold, and big cold.

Beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain;

Lixia, Xiaoman, Mango, Summer Solstice, Small Summer, Great Heat;

Beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost;

Beginning of winter, light snow, heavy snow. Winter solstice, small cold, big cold.

Twenty-four solar terms.

The spring rain shocks the spring and the valley sky, the summer is full of mangs and the summer and summer are connected, the autumn dew and autumn frost fall, the winter snow and snow and the winter are small and cold.

The names of the 24 solar terms are: Beginning of Spring, Rain, Sting, Spring Equinox, Qingming, Guyu, Beginning of Summer, Xiaoman, Mangzhong, Summer Solstice, Small Summer, Great Heat, Beginning of Autumn, Summer, White Dew, Autumn Equinox, Cold Dew, Frost Fall, Beginning of Winter, Light Snow, Heavy Snow, Winter Solstice, Small Cold, Great Cold.

The 24 solar terms are:Beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, small man, miscanthus seed, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

The solar term is a specific festival in the Ganzhi calendar that indicates changes in the natural rhythm and establishes the "December Tsuki" (moon order). The twenty-four solar terms are: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, and big cold.

The twenty-four solar terms are associated with the dry branches and the eight trigrams, and have a long historical origin. In the historical development, the twenty-four solar terms were included in the lunar calendar and became an important part of the lunar calendar.

"Twenty-four solar terms" is the product of ancient farming civilization, it occupies an extremely important position in China's traditional farming society, agricultural production is closely related to the rhythm of nature, it is the ancient ancestors to conform to the agricultural time, through the observation of the movement of celestial bodies, cognition of the year in the middle of the year, climate, phenology and other aspects of the formation of the knowledge system. It scientifically reveals the laws of astronomical and meteorological changes, skillfully combines astronomy, agriculture, phenology and folk customs, and derives a large number of seasonal cultures related to it.

Solar term song: Spring rain shocks the spring and clear valley sky, and the summer is full of mangs and summer and summer are connected.

Autumn dew, autumn frost, winter snow and snow and winter small and big cold.

There are two sessions per month that do not change, with a maximum difference of one or two days.

In the first half of the year, it was sixty-twenty-one, and in the second half of the year, it was eighty-twenty-three.

Definition 1: According to the position of the apparent sun on the ecliptic, it is divided into 24 festivals that reflect the natural phenomena and agricultural seasonal characteristics of a certain area in China (represented by the middle and lower reaches of the Yellow River). Namely:

Beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, small man, miscanthus seed, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold. Discipline: Atmospheric Science (first-level discipline); Applied Meteorology (Secondary Discipline) Definition 2:

The position of the sun on the ecliptic reflects the 24 seasons of a year in a certain area of China (represented by the middle and lower reaches of the Yellow River). Namely: the beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

Discipline: Geography (first-level discipline); Climatology (Secondary Discipline) Definition 3: Twenty-four seasons that reflect the seasonal characteristics of natural phenomena and agricultural activities in a year.

Namely: the beginning of spring, rain, stunning, vernal equinox, Qingming, valley rain, beginning of summer, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold. Discipline: Resource Science and Technology (first-level discipline); Climate Resources Science (Secondary Discipline).

Twenty-four solar terms.

The 24 solar terms are a supplementary calendar established in ancient China to guide agricultural affairs, which are: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, Xiaoxia, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost fall, beginning of winter, light snow, heavy snow, winter solstice, small cold, and big cold.

There are a total of 24 solar terms in China, which are in chronological order: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost fall, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

The solar terms are: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold and big cold.

The month and time of the solar term Lichun: Dou Zhiyin; The ecliptic longitude of the sun is 315 degrees. Lichun is the beginning of spring.

February 3-5 in the Gregorian calendar. Rainwater: Bucket fingers; The ecliptic longitude of the sun is 330°.

The rain begins and gradually increases. February 18-20 of the Gregorian calendar.

The 24 solar terms are: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, Mangzhong, summer solstice, Xiaoxia, Da Huang, Beginning of autumn, Chu Xia, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

The 24 solar terms are the specific seasons that represent the changes in the natural rhythm and establish the "December construction" in the calendar, which contains a long cultural connotation and historical accumulation, and is an important part of the long history and culture of the Chinese nation. At the age of one year, there are three months each in spring, summer, autumn and winter, and there are two solar terms per month, each of which has its own unique meaning.

The twenty-four solar terms accurately reflect the changes in the 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 a wealth of folk customs.

The month of solar terms

"Twenty-four solar terms" and "December construction" are the basic contents of the Ganzhi calendar. The position of the Big Dipper handle is used as the standard for determining the month, which is called Doujian (also known as Yuejian).

The handle rotates clockwise for a cycle, which is called "one year old" (seti). That is, as said in "Huainanzi Tianwenxun": "Emperor Zhang Siwei, luck to fight, the moon migrates for a day, returns to its place, the first month refers to Yin, December refers to ugliness, one year old and turns, and finally repeats."

The "bucket" here refers to the bucket handle of the Big Dipper, and the bucket handle rotates once for one year; Becoming old at four o'clock, starting from Yin and finally ugly. The handle rotates and refers to the twelve chen in turn, which is called "December construction".

The construction in December is: Jianyin in the first month, Jianmao in February, Jianchen in March, Jiansi in April, Jianwu in May, Jianwei in June, Jianshen in July, Jianyou in August, Jianxu in September, Jianhai in October, Jianzi in November, and Jianchou in December.

The 24 solar terms are: the beginning of spring, rain, stunning, vernal equinox, Qingming, Guyu, Lixia, Xiaoman, mangzhong, summer solstice, small heat, great heat, beginning of autumn, summer heat, white dew, autumn equinox, cold dew, frost, beginning of winter, light snow, heavy snow, winter solstice, small cold, big cold.

Lichun: Lichun means the beginning, and Lichun is the beginning of spring.

Rain: Rainfall begins and gradually increases.

Sting: Stinging means to hide. Stinging refers to the sudden movement of spring thunder, which wakes up animals that are hibernating in the soil.

Vernal equinox: Equinox means equinox. The vernal equinox indicates the equinox of day and night.

Qingming: The weather is sunny and the vegetation is luxuriant.

Gu Yu: Rain gives birth to a hundred grains. Rainfall is abundant and timely, and cereal crops can thrive.

Beginning of summer: The beginning of summer.

Xiaoman: The grains of summer crops such as wheat are beginning to plump.

Miscanthus seeds: Wheat and other miscanthus crops are ripe.

Summer solstice: The hot summer is coming.

Xiaoxia: 夏 means hot. A small summer is when the climate starts to get hot.

Great heat: The hottest time of the year.

Beginning of Autumn: The beginning of autumn.

Heat: It means to terminate and hide. It means the end of a hot summer day.

White dew: The weather is cooler, and the dew is condensed and white.

Autumnal equinox: Equinox of day and night.

Cold dew: The dew is cold and will freeze.

Frost falls: The weather is getting colder and frost is starting to appear.

Beginning of winter: The beginning of winter.

Light snow: It starts to snow.

Heavy snowfall: Snowfall increases and the ground may be covered with snow.

Winter solstice: The cold winter is coming.

Xiaohan: The climate is starting to get cold.

Big Chill: The coldest time of the year.