winter solstice is not only a solar term, but also a festival. People will have a lot of activities during the winter solstice. What is the meaning of the winter solstice solar term? Is it still cold after the winter solstice? Next, let's follow the old yellow calendar of this issue and have a look!
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what is the meaning of the winter solstice solar term? The winter solstice means the arrival of cold winter. During the winter solstice, the solar yellow meridian is 270 °. On the day of the winter solstice, the sun is almost directly on the Tropic of cancer. The day is the shortest and the night is the longest in our northern hemisphere. We begin to enter several nine cold days. Astronomy stipulates that this day is the beginning of winter in the northern hemisphere. After the winter solstice, the direct sunlight position gradually moves northward, and the days in the northern hemisphere gradually grow. As the saying goes: eating the winter solstice noodles will last a long day.
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is it still cold after the winter solstice: it will get colder and colder in the winter to the next day. Enter the winter solstice of the 24 solar terms. This means that the coldest time of the year is coming. Although the direct point of the sun gradually swings northward from the Tropic of cancer after the winter solstice, because the solar radiation energy received by the earth is much less than the lost energy, the weather trend in the northern hemisphere will be colder and colder in the next month. The winter solstice, and the following three solar terms of mild cold and severe cold, are the coldest periods in China. Therefore, the folk combine these three solar terms as "midwinter". In the middle of winter, on average, there is a cold air going south in 5-7 days. Cold wave, freezing and Blizzard are the three major disastrous weather in the middle of winter.
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has the shortest sunshine time and the heat absorbed by the ground is less than the lost heat, due to the long-term accumulated heat on the ground, the temperature near the stratum has not yet dropped to the lowest, so this is not the coldest time of the year. After the winter solstice, although the day is getting longer and the night is getting shorter, the day is still short and the night is long in the short term. The heat absorbed by the ground every day is still less than the heat lost, so the temperature does not rise immediately. People count nine from the winter solstice, and every nine days is a nine. Before and after the "March 9th", the ground area stores the least heat and the weather is the coldest, so it is said to be "cold in March 9th". In astronomy, the winter solstice is regarded as the beginning of winter, which is obviously late for most parts of China. During the winter solstice, the average temperature in Western Sichuan Plateau is generally below 0 ℃, and that in Sichuan Basin is only about 6 ℃ to 8 ℃. However, in the low-altitude valley area of Southwest Sichuan, even in the coldest early January, the average temperature is still above 10 ℃. It can be said that autumn goes to spring and there is no winter all year round.
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