The Great Cold solar term is close to the Little New Year, and the lively atmosphere before the New Year is already there. Want to know more about the Great Cold solar term? The twelfth month of the lunar calendar is the last month of the year, representing the alternation of years. Come to the 2021 Lunar New Year special topic on Shuimoxiansheng.com to learn more details about the twelfth lunar month.Is Dahan the coldest solar term?From the perspective of solar terms, Dahan is the coldest solar term, but due to the large span of longitude and latitude in my country, there is no less cold solar term during Dahan in the northern region, while Dahan is the coldest solar term in most parts of the south.After the winter solstice, the point of direct sunlight will gradually move northward, but in the following period, the point of direct sunlight will always be in the southern hemisphere. The heat in the northern hemisphere is always in a state of dissipation, and the heat absorbed during the day is still less than the heat released at night. Therefore, after the winter solstice, the temperature in the northern hemisphere continues to drop, reaching the lowest during the Great Cold, which is the coldest solar term of the year. Due to my country's vast territory and large north-south span, there are great differences in climate between the north and south. According to my country's long-term meteorological records, in the northern region there is no less cold weather during the Great Cold solar term; but for most areas in the south, it is the coldest during the "49th day", so the Great Cold solar term is colder than the Lesser Cold solar term. What is the sunshine standard on the Great Cold Day?The sunshine standard for the Great Cold refers to the sunshine duration in residential areas. The state stipulates that the sunshine duration on the Great Cold day shall be the standard.The state stipulates that the standard sunshine day is the day of the Great Cold, the sunshine calculation unit is each residence (household as the unit), and the sunshine duration must be a full two hours. As the building density in cities increases, the blocked buildings are usually blocked by multiple buildings, so the time they receive sunlight is often discontinuous. Therefore, in order to ensure the sunshine time, the state stipulates that on the day of the Great Cold, the distance between high-rise residential buildings and various types of residential buildings behind them must meet the requirement that the blocked residential buildings have an effective sunshine time of no less than 2 hours on the Great Cold Day; in old district reconstruction projects, the new residential buildings must meet the requirement that the effective sunshine time on the Great Cold Day is no less than 1 hour, and the minimum distance between high-rise residential buildings and various types of residential buildings behind them must be no less than 30 meters. At the same time, in order to ensure the quality of sunlight, the residential area design specifications clearly stipulate that the effective sunlight time zone corresponding to the Great Cold Day is 8:00 to 16:00, and individual windows in a house may not meet the sunlight standards, but if there is a window in a house that meets the sunlight standards for 2 hours on the Great Cold Day, the house meets the sunlight standards. Do you want to know your own Bazi? Want to figure out where your golden marriage is? Click on the [Premium Calculation] below to calculate your horoscope and fortune! |
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