Is it not appropriate to start construction on the second day of the winter solstice in 2020? The difference between the Great Cold Day and the Winter Solstice Day
Introduction: Generally, it is necessary to choose an auspicious day for breaking ground, because breaking ground is one of the important matters. So [Is it not suitable to break ground on the second day of the Winter Solstice in 2020? What is the difference between the Great Cold Day and the Winter Solstice Day?] Follow the editor to find out! "The Book of Rites: Monthly Ordinances" says: "The month of mid-winter is called Changyue." "Chang means full." Therefore, the eleventh month of the lunar calendar is also called Changyue. In this November of the lunar calendar 2020, Mr. Shui Mo will spend a happy month with you.Is it not suitable to start construction on the second day of the winter solstice in 2020?Lunar calendar: November 8, 2020 Gregorian calendar: December 22, 2020, Tuesday, Capricorn ■Suitable for today●Last day of the month (not for major events): Accepting marriage proposals, getting married, opening the market, taking office, granting amnesty, plugging holes, praying for blessings, offering sacrifices, signing contracts, collecting money, and building embankments . □Taboo for today○Last day of the month (not for major events): Acupuncture and moxibustion, seeking medical treatment, moving into a new house, moving out, moving, erecting pillars, and building a house——It is not suitable to break ground on the second day of the Winter Solstice in 2020, because today is an unlucky day (do not use it for important matters)! The difference between the Great Cold Day and the Winter Solstice Day《1》The two have different meanings:Winter Solstice: "Collected Explanations of the Seventy-two Seasons of the Lunar Calendar" states: "In the middle of November, the Qi that has finally been hidden reaches its peak." "Tongwei·Xiao Jing Yuan Shen Qi" states: "Fifteen days after the big snow, the Big Dipper points to Zi, which is the winter solstice, the middle of November (Xia calendar/Lunar calendar). Yin reaches its extreme and Yang begins to arrive, the sun reaches its southernmost point, and the sun gradually grows longer. It begins when the sun reaches 270° of ecliptic longitude, which is a day within 30 days around December 22 of the Gregorian calendar or the 15th day of the 11th lunar month (full moon) every year. On this day, the sun almost directly shines over the Tropic of Capricorn, the daytime in the Northern Hemisphere is the shortest, it is polar night in the Arctic Circle, and polar day in the Antarctic Circle. Afterwards, the position of direct sunlight moves northward, and the daytime gradually becomes longer. Great Cold Day: "Collected Explanations of the 72 Solar Terms in the Lunar Calendar" states: "In the middle of December, the explanation is as above (Minor Cold)." "Shushi Tongkao·Tianshi" quotes "Sanli Yizong": "Dahan is the middle one, and it is above Minor Cold, so it is called Dahan." At this time, cold waves frequently move southward, and it is the coldest period of the year in most parts of China. It has strong winds, low temperatures, and snow on the ground that does not melt, presenting a severe cold scene of ice and snow, and frozen weather. The Great Cold is the last solar term among the 24 solar terms. Like the Lesser Cold, it is a solar term that reflects the degree of coldness of the weather. The time is around January 20th every year. The Great Cold occurs when the sun reaches 300° of the ecliptic longitude around January 20 every year. 《2》The two times are different: Winter Solstice: Around December 22nd of the Gregorian calendar every year. The winter solstice in 2020 is December 21st, the seventh day of the winter month. Great Cold Day: around January 20th every year. The Great Cold Day in 2021 is January 20th, 2021, the eighth day of the twelfth lunar month. 《3》Regarding sunshine standards There is a process of change in our country. Originally, the standard was set to be no less than two hours on the winter solstice . Later, relevant departments investigated and found that this standard was generally difficult to achieve in some cities due to their high latitudes and densely populated urban buildings. Therefore, in the most recent revision of the standard, the date for determining sunshine time was changed to the Great Cold Day. The winter solstice is the day with the shortest daylight hours in the year, so it is set by relevant departments as a reference date for measuring sunshine standards. According to observations, the midday sun altitude on the winter solstice in the area at 40° north latitude is 27 degrees. On the day of the Great Cold, the midday sun altitude rises to 30 degrees. According to astronomical theory, the higher the sun is, the shorter the shadow is, and more sunlight reaches the ground. In other words, the amount of sunlight reaching the ground on the Great Cold Day is more than that on the Winter Solstice Day. When the sun is low, it is easily blocked by buildings on the ground, and less sunlight enters the room. Therefore, the larger the distance between buildings, the better the lighting. If the house faces south and there is no obstruction in front, the indoor sunlight can reach 9 hours even on the winter solstice. According to the current (currently April 2014) national standard GB50352-2005 "General Code for Design of Civil Buildings" 5.1.3, the winter solstice is still used as the sunshine standard. Searching in this vast sea of people, is that person the destined one? Welcome to click on the "Eight Characters Detailed Explanation" below for advance predictions. I wish you a perfect relationship and marriage! |
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