How is the summer solstice calculated? When is the summer solstice?
The summer solstice is the earliest solar term to be determined among the 24 solar terms. How is the summer solstice calculated? When is the summer solstice? May is also known as the Pu month. The most prosperous herb in May is calamus. As calamus is one of the "Four Graces of Flowers and Herbs", it is called the Pu month. If you want to know more about auspicious and inauspicious days in the fifth month of the lunar calendar, please follow Mr. Shuimo's website!How is the summer solstice calculated?The summer solstice is the day with the longest daylight in the whole year. On the summer solstice, the sun reaches its northernmost point of the year, almost directly above the Tropic of Cancer (230 26' north latitude). The daylight in the northern hemisphere is longest, and the further north you go, the longer the daylight becomes. For example, the day length in Haikou, Hainan is a little over 13 hours, in Hangzhou it is 14 hours, in Beijing it is about 15 hours, and in Mohe, Heilongjiang it can reach more than 17 hours.Summer solstice date calculation formula: Date = [Y*D+C]-L Formula analysis: Y=last two digits of the year; D=0.2422; 21st century C=21.37; L=leap year number. When is the summer solstice?The summer solstice is one of the 24 solar terms, which falls on June 20, 21, or 22 of the Gregorian calendar every year. On the summer solstice, the sun reaches 90 degrees of ecliptic longitude. For areas on and north of the Tropic of Cancer, the summer solstice is also the day when the sun is highest at noon in the year. On this day, the Northern Hemisphere receives the most solar radiation, nearly twice as much as the Southern Hemisphere. Astronomical experts say that the summer solstice is a turning point for the sun. After this day, it will go "backwards", and the point of direct sunlight will begin to move southward from the Tropic of Cancer, and the daytime in the northern hemisphere will become shorter day by day.As the saying goes, "A good fate is not as good as good luck." A person's destiny is already determined, and the only thing one can control is his or her "luck." There are unexpected changes in the world, and people are subject to misfortunes and blessings at any time. Do you want to know when your good luck will come? Then take a look at the [ Excellent Calculation ] below and wish you a safe and smooth life! |
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