24 Throttle Countdown

Grain in Ear, also known as "busy seed", is the ninth solar term of the 24 solar terms, the third solar term in summer, and the beginning of the afternoon of the Ganzhi calendar. Douzhisi, the solar longitude reaches 75 °, and the festival is held on June 5-7 of the Gregorian calendar every year. Grain in awn means "grain crops with awn can be planted". In this season, the temperature rises significantly, the rainfall is abundant, and the air humidity is high, which is suitable for planting late rice and other cereal crops. Farming is bounded by the solar term of "awn planting", after which the survival rate of planting will be lower and lower. It is the reflection of the ancient farming culture on the seasons.

The summer solstice is the 10th solar term of the 24 solar terms. Douzhi Noon; Solar yellow longitude 90 °; The festival is due on June 21-22 of the Gregorian calendar. The summer solstice is the turning point of the sun's northbound travel. After the summer solstice, the direct sunlight point begins to move southward from the Tropic of Cancer (23 ° 26 'north latitude). For China, which lies to the north of the Tropic of Cancer, after the summer solstice, the noon sun height begins to decrease day by day; For China, which is located south of the Tropic of Cancer, the noon sun height begins to decrease day by day after the summer solstice when the sun returning from the south shines again.

Xiaoshu is the eleventh solar term of the twenty-four solar terms, the end of the mid month and the beginning of the end of the last month in the Ganzhi calendar. Douzhixin, when the sun reaches 105 degrees of Yellow Meridian, the festival is held on July 6-8 of the Gregorian calendar every year. Heatstroke means hot, light heat means light heat, not very hot. Although the light heat is not the hottest season of the year, it is followed by the hottest solar term in the year, which is known as "light heat and heavy heat, steaming at the top and boiling at the bottom". In many parts of China, thunderstorms are the most frequent in the summer.

Great heat, one of the 24 solar terms, is the last solar term in summer. Fifteen days after the light heat stroke, the bucket finger is not the heavy heat stroke; The sun yellow longitude is 120 °; July 22-24, Gregorian calendar. "Heatstroke" means hot, which means extreme heat. Compared with light heat, great heat is more hot, and it is the hottest solar term with the most sunshine in a year. At this time, "hot and humid steam" reaches its peak. Climatic characteristics of severe heat: high temperature, intense heat, frequent thunderstorms and typhoons.

Beginning of Autumn is the 13th solar term among the 24 solar terms. The first solar term in autumn is usually on August 7 or 8 of the Gregorian calendar every year. The change of the whole nature is a gradual process. The beginning of autumn is a turning point where the yang qi gradually shrinks, the yin qi gradually grows, and the yang qi gradually turns into yin qi. In nature, everything begins to grow from prosperity to maturity.

Chushu is the fourteenth of the twenty-four solar terms. Douzhiwu (southwest); The solar yellow longitude reaches 150 °; The festival will be handed in on August 22-24 of the Gregorian calendar every year. To deal with the heat is to "go out of the heat", which means to leave in the heat. At the end of the summer, the direct solar radiation point continued to move southward, the solar radiation weakened, the subtropical high retreated southward, the temperature gradually decreased, and the summer heat gradually disappeared. Summer treatment means that the extremely hot weather has come to an end. During this period, although it is still hot, the weather has shown a downward trend.

Bailu is the 15th solar term in the "24 solar terms", the third solar term in autumn, the end of the Shenyue period in the Ganzhi calendar and the beginning of the Youyue period. Douzhigui; The sun reaches 165 degrees of yellow longitude; The festival is due on September 7-9 of the Gregorian calendar. "White Dew" is an important solar term reflecting the growth of cold air in nature. As the weather gradually turns cool, it is sunny and hot in the daytime, but the temperature drops quickly after dusk, and the temperature difference between day and night is large.

The autumnal equinox is the sixteenth of the twenty-four solar terms and the fourth in autumn. Dou zhi you; The sun reaches 180 ° of yellow longitude; The festival will be handed in on September 22-24 of the Gregorian calendar every year. On the autumnal equinox, the sun almost shines directly at the Earth's equator, and the days and nights around the world are equal. The autumnal equinox, "fen" means "half" or "half". In addition to the equinox of day and night, it also means that autumn is divided equally. After the autumnal equinox, the direct sunlight position moves south, the days in the Northern Hemisphere are short and the nights are long, the temperature difference between day and night increases, and the temperature decreases day by day.

Cold Dew is the 17th solar term of the 24 solar terms and the fifth solar term in autumn. Douzhiwu; The sun reaches 195 ° of yellow longitude; The festival is handed in from October 7 to 9 of the Gregorian calendar every year. Cold dew is the season in late autumn, and the beginning of the Ganzhi calendar. Cold Dew is a solar term reflecting the characteristics of climate change. When entering the cold dew, cold air flows southward from time to time, the temperature difference between day and night is large, and the autumn dryness is obvious.

Frost Descent is the 18th solar term among the 24 solar terms and the last solar term in autumn. Douzhixu; The solar yellow longitude is 210 °; The festival is due on October 23-24 of the Gregorian calendar every year. After entering the frost season, the scene of late autumn is obvious, and cold air is moving southward more and more frequently. Frost fall does not mean "frost fall", but a sudden drop in temperature and large temperature difference between day and night. On the national average, "frost fall" is the season with the largest temperature difference between day and night in a year.

Beginning of Winter is the 19th solar term among the 24 solar terms. The bucket handle points to the northwest, and the sun's yellow longitude reaches 225 °. The festival is held on November 7-8 of the Gregorian calendar every year. Beginning of winter is a seasonal solar term, which means that it has entered winter since then. Establish, establish the beginning; Winter is the end of the world. Beginning of winter means that life begins to be closed and everything enters a state of recuperation and collection. Its climate also changes gradually from dry autumn to cold and rainy winter.

Xiaoxue is the 20th solar term among the 24 solar terms, and the second solar term in winter. The solar term is on November 22 or 23 of the Gregorian calendar, that is, when the sun reaches 240 ° of longitude. Light snow is the solar term reflecting precipitation and temperature. It is the solar term with high frequency of cold wave and strong cold air. The arrival of the light snow solar term means that the weather will become colder and the precipitation will increase.

Heavy snow is the 21st solar term among the 24 solar terms and the third solar term in winter. Douzhigui, the sun reaches 255 degrees of longitude, and the festival is held on December 6-8 of the Gregorian calendar every year. The heavy snow solar term is the beginning of the Ganzhi calendar, marking the beginning of the mid winter season. Like the light snow solar term, the heavy snow solar term reflects the changing trend of temperature and precipitation. It is the reflection of the ancient farming culture on the seasons. Heavy snow is a solar term reflecting the climate characteristics. The characteristics of heavy snow solar term are that the temperature drops significantly and the precipitation increases.

The Winter Solstice, also known as the Sunan Solstice, the Winter Festival, the Asian Age, etc., has both natural and humanistic connotations. It is not only an important solar term in the 24 solar terms, but also a traditional ancestor worship festival among Chinese people. The winter solstice is one of the four seasons and eight festivals, which is regarded as a big festival in winter. In ancient times, there was a saying that "the winter solstice is as big as the year". The winter solstice customs are different in content or details due to different regions. In southern China, there are customs of ancestor worship and feasting on the winter solstice. In northern China, it is customary to eat dumplings on the winter solstice every year.

Xiaohan is the 23rd solar term among the 24 solar terms, the 5th solar term in winter, the end of the Ganzhi calendar and the beginning of the ugly month. Bucket finger; The sun yellow longitude is 285 °; The festival is due on January 5-7 of the Gregorian calendar every year. The cold air has been cold for a long time. Little cold means that the weather is cold but not extreme. Like great cold, light heat, great heat and heat treatment, it is the solar term that indicates the change of temperature. The characteristic of the Xiaohan solar term is that it is cold, but it is not cold to the extreme.

Great cold is the last of the 24 solar terms. Douzhi Chou; The solar yellow longitude reaches 300 °; The festival is due on January 20-21 of the Gregorian calendar every year. Great cold, like mild cold, is also a solar term indicating the degree of cold weather. Great cold means extreme cold. According to China's long-term meteorological records, there is no slight cold in the northern regions during the severe cold solar term; But for most of the southern regions, the coldest is in the cold solar term.

The beginning of spring is the first of the 24 solar terms. Standing means "beginning"; Spring represents warmth and growth. The 24 solar terms were originally formulated according to the principle of "turning the stars". When the handle of the Big Dipper points to the Yin position, it is the beginning of spring. At present, the solar term is determined according to the degree of the sun's yellow longitude. When the sun reaches 315 ° of the yellow longitude, it is the beginning of spring, and the festival is held on February 3-5 of the Gregorian calendar every year. In the era of Ganzhi, the beginning of spring is the beginning of everything, which means that a new cycle has begun. In the traditional concept, the beginning of spring has auspicious meaning.

Rainwater is the second of the 24 solar terms. Douzhiren; The sun reaches the yellow longitude of 330 °; The festival is due on February 18-20 of the Gregorian calendar every year. Rainwater solar term means the beginning of rainfall, and the magnitude of rainfall is mainly light rain or drizzle. As the saying goes, "Spring rain is as precious as oil". Appropriate precipitation is very important for the growth of crops. It is the reflection of farming culture on seasons. In the Rainwater Solar Term, there is no spring in the northern part of China, while most of the southern parts are full of spring, a scene of early spring.

Waking the insects, also known as "enlightening the insects", is the third solar term among the 24 solar terms. Douzhi Ding, when the sun reaches 345 ° longitude, the festival will be held on March 5-6 of the Gregorian calendar. Waking insects reflects the phenomenon of germination and growth of natural organisms affected by rhythm changes. When the insect wakes up, the sun rises, the temperature warms, the spring thunder suddenly moves, and the rain increases, all things are full of vitality. Agricultural production is closely related to the rhythm of nature. The solar term for waking the insects is of great significance in farming. It is the reflection of ancient farming culture on natural seasons.

The vernal equinox is one of the 24 solar terms and the fourth solar term in spring. Douzhiren, with solar yellow longitude up to 0 °, is handed in on March 19-22 of the Gregorian calendar every year. The vernal equinox is of great significance in astronomy. On the day of the vernal equinox, the day and night of the northern and southern hemispheres divide equally. Since that day, the direct position of the sun continues to move from the equator to the northern hemisphere. The days in the northern hemisphere begin to grow longer than the nights, and the southern hemisphere is the opposite. In terms of climate, there are also obvious features. China has entered a beautiful spring except for the Qinghai Tibet Plateau, Northeast China, Northwest China and the northern part of North China.

Qingming, one of the 24 solar terms, is the fifth solar term in spring. Douzhi B, when the sun reaches 15 ° of Yellow Meridian, it is Qingming. During the Tomb Sweeping Day, when the air is clear and the scenery is bright, everything is visible, so it is named. Qingming Festival is a solar term reflecting the phenological changes in nature. In this season, the sun is shining, plants are sprouting, and flowers are blooming. The nature presents a vibrant scene. In the southern part of China, the scene was clear and bright; In the north, the snow began to break, the temperature rose, and the spring was melting.

Gu Yu is the sixth solar term of the 24 solar terms and the last solar term in spring. Douzhichen; The sun yellow longitude is 30 °; The festival will be handed in from April 19 to 21 of the Gregorian calendar every year. Grain rain comes from the meaning of "rain breeds hundreds of grains". At this time, the precipitation increases significantly. The seedlings in the field are newly planted and new crops are planted, which most need rain water. The rainfall is sufficient and timely, and the grain crops can grow healthily. Grain rain, like rain, light full, light snow, heavy snow and other solar terms, is a solar term reflecting the precipitation phenomenon and the ancient farming culture's reflection of the seasons.

Beginning of summer is the seventh solar term among the twenty-four solar terms, and the first solar term in summer. The festival is held on May 5-07 of the Gregorian calendar every year. At this time, the handle of the Big Dipper is pointing to the southeast, and the solar longitude reaches 45 °. The almanac: "The Dou refers to the southeast, and Wei means the beginning of summer. Everything has grown up here, so it is called the beginning of summer." After the beginning of summer, the sunshine has increased, gradually warming up, and thunderstorms have increased. The beginning of summer is an important solar term that marks the beginning of the peak season for all things to grow.

Xiaoman, one of the "24 solar terms", is the second solar term in summer. Xiao Man, Dou Nail, the sun reaches 60 ° longitude, and the festival is held on May 20-22 of the Gregorian calendar every year. The climate of the Little Full Solar Term is characterized by frequent precipitation, which often results in continuous large-scale heavy precipitation. After the Xiaoman solar term, the rain in the south became more and more abundant. As the folk saying goes, "Xiaoman means the rivers become more and more full." Xiaoman reflects the abundant rain. Another explanation is that the grains of summer crops such as northern wheat begin to fill, but they are just beginning to be full, but not completely full.