When did these twenty solar terms begin?

These 24 solar terms are: beginning of spring, Rain, Sting, Vernal Equinox, Qingming, Grain Rain, Changxia, Xiaoman, Mangzhong, Summer Solstice, Xiaoxia, Daxia, beginning of autumn, Chushu, Bailu, Autumn Equinox, Cold Dew, First Frost, beginning of winter, Light Snow, Heavy Snow, Winter Solstice, Slight Cold and Great Cold. Children's noodles in spring, milk noodles after winter, and changeable weather in spring. Spring comes after the cold winter and before midsummer. At this time, it is hot in the south and cold in the north, and the temperature difference between the north and the south is the largest all year round. Therefore, the cold air in the north and the hot air in the south are often prone to conflict, causing fronts and developing into cyclones. When the cyclone comes, it will rain; The tornado passed and the weather cleared up again. There are the most cyclones in spring, and the weather is changeable, like a child's face, crying and laughing. The cold wind and dark clouds in winter are terrible, just like the stepmother's face. This is because the north wind prevails in winter, and in Fujian Province, it is a semi-stable polar front, so there are many dark clouds and heavy rains on the sea, and the sky scene is very terrible. -"Peasant Fishermen's Congyan" in Pingtan, Fuqing, Fujian, is sunny in February and there are no 24 solar terms in March. The solar calendar is certain, but the lunar calendar is not. Tomb-Sweeping Day is April 5th in the solar calendar, and the beginning of March in the lunar calendar is all the year round. If you encounter a lunar year with a leap month, it is likely to be in the early February of the lunar calendar. Then, February in the lunar calendar is the weather in April in the solar calendar. March is the weather in May of the solar calendar, which is much warmer than February and March in normal years, so February is clear and the fields are green. Qingming March, the earth has not yet rejuvenated. -Grain Rain, Qingming, Gui County, Guangxi, The weather in Grain Rain is still very cold during the solar term, which is the result of the cold wave from the north to the south. -Guixian, Guangxi, a rainy spring with a winter must be warm. According to our custom, the first day of the first lunar month and beginning of spring are considered as the beginning of spring. Beginning of spring is in the middle of the lunar calendar, half a month before the first day of the first lunar month. This half month is the end of the lunar calendar, or winter. This means "one winter and two springs". According to historical records, the Yangtze River valley is the coldest at the turn of January and February in the solar calendar. Beginning of spring is around February 5th in the solar calendar. The coldest weather in the lower reaches of the Yangtze River is coming to an end, and the weather will get warmer. But it is customary to say that it is still the end of winter, so there is this saying. -Kaifeng, Henan province, the thunder has not started, and it is said that the clouds have not opened for 48 days. What is shocking is the period of thunder at the beginning of the year. In fact, you can't generalize, it depends on the place and year. The farther north, the later the first thunder; The drier the year, the later the first thunder. If that year, the southern air mass came very early and strongly, the first thunder could have happened earlier. Since the southern air mass comes from the north, there will naturally be more opportunities for rain in the future, but it may not be 48 days. -Hunan Qingming Snow Rest, Grain Rain Frost Rest. This is the phenomenon that winter goes and spring comes, and the weather gets warmer. However, the date of ice and snow rupture varies from place to place. The farther north the latitude, the later the ice and snow break. For example, the average frost breaking date in Nanjing is March 18, and in Beijing it is April 13. -Changzhou, Jiangsu, spring, frozen tendons against spring, said it rained after beginning of spring. The beginning of February in the solar calendar is beginning of spring, which is the coldest time of the year. It's cold and rainy, so I feel very cold because of the humidity. -Jimo, Shandong, Taikang, Henan ● The solstice in winter is quiet and the grain is abundant. If the winter solstice weather is good, the grain harvest in the coming year will be good. ● Plow gold before the winter solstice and silver after the winter solstice; Plow iron before Qingming Festival, and plow soil after Qingming Festival. Early tillage is needed in winter to allow the soil to have a long weathering time. Generally speaking, the cultivated land from winter to the future is not as good as before, and the cultivated land before Qingming is better than that after Qingming. The reason is the same. ●/kloc-It rains in 0/2 months, with wheat and no straw. 1February is the rainy season, so the rain in1February is called "rain mother", also known as "rain treasure". The rain at this time is very beneficial to the growth of winter wheat. ● In the Qingming dry season, the northeast wind or the north wind is often blowing, and the climate is dry, which is very suitable for field preparation, but not suitable for planting. ● Nanfang Daily is generally southerly every year 108 days. Nanfang Daily is in March and April, which is very conducive to field farming. ● "Cloth" (sowing) The north wind hangs on the field, the northeast wind blows in spring, and the climate is dry. If the early rice meets the north wind when transplanting, it is extremely unfavorable for the growth of seedlings. ● In April of the lunar calendar, if the east wind blows and it continues to be sunny and hot with little rain, it will cause drought and affect early rice transplanting. ● The south wind blows from the west, and early rice is piled up in the street. "The south wind blows to the west" is a sign of heavy rain. "Early rice is piled up in the street", also known as "early rice is piled up in the stream", that is, newly harvested early rice drifts all over the street or stream. ● When the rice blooms in the east wind, don't let the rice pollen be lifted by the wind in the future. Rice blooms in the east wind, which helps to pollinate, make grains full and reduce empty valleys. So say "Don't raise rice in the future". ● The north wind in the long summer is like poison. Long summer is the season of transplanting rice and planting grass. If the north wind blows at this time, it is extremely unfavorable for the growth of seedlings. So compare the north wind to poison. There is no good wind in June, so everyone should take precautions. June in the lunar calendar is the time to harvest early rice. When there is a typhoon at this time, crops will suffer great losses, so we should do a good job of prevention. There is no good wind in June and no good rain in July. June and July of the lunar calendar are the heading and harvesting seasons of rice, so the wind and rain at this time will affect the growth and harvest of rice. ● Before the thunder, it is generally said that "before the thunder, the sun will not be seen for forty days", which means that the spring thunder will ring early and there will be more rain, but in fact it cannot be generalized, depending on the year of each place. Generally, the air mass in the south appears earlier, and the first rain may also occur earlier. When the air mass in the south goes north, there will be more opportunities for rain. The situation of "double-row rotten field exposure" mentioned here is exactly the opposite. Low thunder and little rain, early seedling festival without thunder and rain, prone to spring drought. Early seedlings can't be inserted, and it is easy to have festivals when they are piled together temporarily. The thunder is low in summer solstice, the early rice is abundant, the thunder is loud in summer solstice, and there is little rain in northwest China. This climate is beneficial to the growth of early rice. ● Thunder and autumn, no harvest in lowlands; Thunder hits autumn, but the cloth bag "falls"; Thunder hits autumn, five stones are collected in Gaotian, and the cloth bags in low fields are "upside down". In autumn, thunder often leads to continuous heavy rain, which causes the river to skyrocket, flooding the plains in the lower reaches of Mulan River, flooding crops and affecting the harvest. However, mountainous coastal highlands are prone to drought, and crops grow well and harvest well when it rains. Here, the cloth bag is a sack, which is used to hold grain. "But it falls down" and "backward pumping" mean that the bag mouth is facing down, which means that there is no harvest or the harvest is not good. ● In spring, the sun hangs on the field, and in summer, the sun hangs on the field. The sun hanging over the field refers to the phenomenon that sunlight meets cirrus clouds and cirrostratus refracts, which indicates that the weather will change. This indicates that it will be rainy in spring and dry in summer. This statement is also called "spring is white, summer is cracked, autumn is stormy, and winter is evil." ● Eat "Verticillium Wilt" for one year, and "Carve Damage" (Very Damage) for three years. "Verticillium Wilt" is the seed of Castanopsis fissa in the mountains, especially in dry years. This sentence means that if it is a bumper year, it is a dry year and crops fail. When the early rice is waterlogged, it splashes nine times, and when the late rice is waterlogged, the grains are broken. The growth period of early rice is short, and the hairs on the leaves are short and few. After waterlogging, a lot of dust will not be attached to the leaves, and the pores on the leaves will not be blocked, so it will not affect the growth. However, when the leaves of late rice are flooded, dust will attach to the leaves and the bottom of the leaves, and the stomata will be blocked, which will affect the respiration of the leaves. Therefore, the vast majority of varieties that cause death and are generally not tolerant to waterlogging will affect this statement. It is also called "a flood is too early, and there is nowhere to cut it next season." ● Fogging around the stove. Fogging around the stove with broad bean and wheat "yellow withered" (rust disease) is a common name for family reunion and dinner on New Year's Eve of Puxian people. So it is said that there is dense fog on New Year's Eve, and "yellow withered" is rust. Rust spores will spread with the wind. When it parasitizes on broad beans or wheat plants, once the temperature and relative humidity in the air are suitable for the development of rust spores, a large number of yellow powdery spores will accumulate on the leaves of plants in southerly winds and dense fog. The dew is old, and there is no rice in the early field. "Hu" (fishing) and "pot rice" (upland rice) are New Year's Eve, which means that if there is too much dew in the New Year, it will affect the harvest of early rice. ● There is rain in the early season and dew in the next season. The weather turns from cold to hot in early rice growing period, and from hot to cold in late rice. Early rice heading stage needs sultry weather, and it rains in northwest China. This kind of weather is conducive to the growth of early rice, and it is best to have Dongfeng dew at the heading stage of late rice. This is the different requirements of early and late rice on external environmental conditions. Not enough, look for me and seek the best! .