Bailu is one of the twenty-four solar terms and an important solar term that reflects the growth of cold air in nature. The weather is gradually getting cooler, and the temperature difference between day and night is relatively large. Today we will take a look at what season Bailu is a solar term and what month Bailu is a solar term.
What season is Bailu? 1
Bailu is the 15th solar term in the "Twenty-Four Solar Terms" and the third solar term in autumn. "Bai Lu" is an important solar term that reflects the growth of natural cold. After entering the Bailu solar term, the summer wind is gradually replaced by the winter wind, and the cold air gradually moves southward. In addition, the position where the sun shines directly on the ground moves southward, the duration of sunlight in the northern hemisphere is shortened, and the intensity of sunlight is weakened. It is often sunny with few clouds at night, and the ground radiation dissipates heat quickly. Therefore, as the temperature gradually drops, there is a saying that "the night of the autumnal equinox is white with dew, and the night is cooler."
The main folk customs during the Bailu period include offering sacrifices to Dayu, brewing grain wine, and drinking Bailu tea.
At the same time, the white dew season is also a busy season across China. In the Northeast region, grains, sorghum and soybeans have begun to be harvested, and new cotton has also begun to be picked in some places; at the same time, cotton, corn, sorghum, grains, soybeans and other selections have been made, and stubble, land, fertilizer, and wheat have been picked in a timely manner. In northern China, this is also the busy autumn harvest season. Various autumn harvest crops have matured and begun to be harvested; at the same time, we must cultivate quickly, level the land, and prepare to plant wheat as soon as possible. Sowing of winter wheat has begun in the northwest. It’s the white dew season in the southwest, and there are busy scenes everywhere, because “the white dew is white and the sky is full of yellow millet. Rice and millet must be harvested as soon as possible. In late autumn, field management of corn, sweet potato and other crops must be strengthened to promote early maturity and avoid low temperature frost. In central China, we have to seize the time to harvest the late rice and summer corn, and the late corn is also harvested in batches. In addition, we must seize the time to level the land for wheat planting. Be prepared.
What season is Bailu? 2
Bailu is the fifteenth solar term in the twenty-four solar terms every year (from September 7th to 9th in the Western calendar). When the sun reaches 165 degrees of longitude, it is white dew. "The Collection of Seventy-two Hours of the Moon Order" says: "On the eighth day of the lunar month... the yin becomes heavier and the dew condenses and turns white. "As the weather gets cooler, you will find many dewdrops on the ground and leaves in the early morning. This is because water vapor condenses on them at night, hence the name. The ancients matched the four seasons with the five elements. Autumn belongs to gold, and gold is white, so white is used to describe autumn. Dew. After entering the "white dew", you will feel a little bit of coolness at night. As the saying goes: "When it is hot, don't expose yourself to the white dew." "The meaning of these two sentences is that when the summer heat is still hot, you must take a bath with a basin of water every day. After eighteen days, when you arrive at Bailu, don't go shirtless to avoid catching a cold. There is also a saying: "White dew is white and you are confused." , the autumnal equinox rice shows its beauty. "It means that if there is dew before and after White Dew, the late rice harvest will be good.
Bai Dew is the first solar term in September. Dew is caused by the drop in temperature and the condensation of water vapor on the ground or near-Earth objects. Therefore, the white dew actually means that the weather has turned cooler. At this time, people will clearly feel that the hot summer has passed and the cool autumn has arrived.
The white dew solar term. Climatic Characteristics
The ancient Chinese divided Bailu into three seasons: "The first season is when the geese come; the second period is when the black birds return; the third period is when the flocks of birds are shying away." "It means that the White Dew solar term is the time when swans and swallows fly south to escape the cold, and birds begin to store dried fruits and grains to prepare for the winter. It can be seen that the White Dew is actually a symbol of cooler weather.
Xuanniao means Swallow. It may be the totem of Shang Dynasty. It is said that Jian Di, the daughter of the Nu family, swallowed the swallow egg and gave birth to the ancestor of Shang Dynasty. Living in Pingding Mountain
The explanation of "raising shame" is: storing food. "Yi Zhou Shu·Shi Xun" says: "On the day of white dew, the wild geese come, and on the fifth day the black birds return. The birds are showing off their shyness. "Zhu You once commented: "Those who care for shame store food for winter, just like hiding treasures. ”
White dew is a typical autumn climate, which is prone to symptoms such as dry mouth, dry lips, dry nose, dry throat, dry stool, and cracked skin. Simple and practical medicated diet and dietary therapy should be more practical. Take more vitamin-rich foods, eat ginseng, lily, almonds, and drink some tea. However, if there is a big temperature difference between morning and evening, you should add it in time. Clothes and quilts to avoid cold.
What are the customs and habits of Bailu solar term?
Eating longan.
There is a traditional saying in Fuzhou that "you must eat longan when white dew comes". The folk belief is that eating longan on the White Dew Day has a miraculous effect of replenishing the body. Eating one longan on this day is equivalent to eating a chicken. It sounds too exaggerated, but there is still some truth to it. Because longan itself has many functions such as beneficial to qi and spleen, nourishing blood and calming the nerves, moisturizing and beautifying, etc., it can also treat many diseases such as anemia, insomnia, neurasthenia, etc. Moreover, the longan before Bailu is large, with a small core and a sweet taste. Okay, so it’s best to eat longan with Bailu.
Collect "Ten Samples of White". Wenzhou, Zhejiang and other places have the custom of celebrating the White Dew Festival. Among the people in Cangnan, Pingyang and other places, people collect "ten kinds of white" (also known as "three kinds of white") on this day to nest with black-bone white chickens (or ducks). It is said that after eating, it can nourish the body and remove bad habits ( arthritis). These "ten kinds of white" are ten kinds of herbs with the word "white", such as Bai Mumou, Baimao Ku, etc., which correspond to the literal meaning of "Bailu".
Eat sweet potatoes. Folks believe that eating sweet potatoes during the White Dew Festival will prevent stomach acid after eating sweet potato shreds and shredded sweet potato meals throughout the year. Therefore, in the old days, farmers made it a habit to eat sweet potatoes during the White Dew Festival.
What season is Bailu? 3
Bailu is the solar terms of autumn
Bailu is the fifteenth solar term among the twenty-four solar terms. It is one of the autumn solar terms. In the fourth solar term of the lunar calendar, during the Bailu solar term, all parts of our country experience crisp autumn weather, with autumn rain and cool weather. At night, water vapor will condense on the ground, forming small white water droplets. From then on, the weather will get worse. It's getting colder.
The weather conditions of Bailu
At this time, precipitation in northern my country has significantly reduced, and the autumn air is crisp and relatively dry. In the middle and lower reaches of the Yangtze River during this period, the first autumn rain can often alleviate the early water shortage. However, if the cold air meets the typhoon, or the cold and warm air are evenly matched, and the two sides are struggling to advance and retreat, the resulting heavy rain or low temperature and continuous rain will have a negative impact on the autumn. Unfavorable crop growth. Continuous rainy weather also often occurs in the eastern part of Southwest China, South China and West China. The southeast coast, especially the South China coast, may also experience heavy rains caused by tropical weather systems (typhoons).
As autumn enters, the weather in most parts of my country is usually sunny and windy, with crisp autumn air. However, in the western part of our country, it is often drizzle and continuous rain. Some places in Sichuan and Guizhou provinces are even known as "the weather never gets sunny for three days".
What are the characteristics of white dew?
1. "The Collection of Seventy-two Hours of the Moon Order" says: "On the eighth day of the lunar month... the yin energy becomes heavier and the dew condenses and turns white. "As the weather gets cooler, you will find many dewdrops on the ground and leaves in the early morning. This is because water vapor condenses on them at night, hence the name white dew. The ancients matched the four seasons with the five elements. Autumn belongs to gold, and gold is white, so white is used to describe autumn dew. Entering "Bailu", you will feel a little cool at night.
2. On August 15th, the wild geese gate opens, and the geese bring frost on their heads. "Frost is due to the invasion of cold air. The average daily temperature is above 0℃, and the surface temperature drops sharply below 0℃. , the water between the crop cells freezes and continuously absorbs the water inside the cells, causing cell dehydration, causing the crops to wither or die. Sometimes, although there is no hoarfrost on the surface of the plants, the crops are still affected by the surface temperature below 0°C. Freezing damage, called black frost, is also a type of frost.
The above is the relevant sharing about what season Bailu is and what month Bailu is. I hope it will be helpful to everyone. You can learn more about related knowledge points.
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