The summer solstice is a solar term that means "the beginning of the yin, the evening clock is slightly late". It arrives on June 21 or 22 every year. This day is the day with the longest daylight and the shortest night in the year in my country, which is located in the northern hemisphere. What time is the summer solstice in 2018? The Book of Songs records that "the cicadas sing in May". Cicadas are cicadas. This means that in May, cicadas break through the ground and climb trees, starting the first clear singing of summer. If you want to know more about the fifth month of the lunar calendar in 2018, please consult the fortune teller website.What time is the summer solstice in 2018?The 2018 Summer Solstice is on June 21, 2018, the eighth day of the fifth lunar month in 2018 (small Thursday), and the specific time of the Summer Solstice is 18:07:12.Introduction to the 2018 Summer Solstice:The summer solstice is the earliest solar term to be determined among the 24 solar terms. On June 20th, 21st, or 22nd of the Gregorian calendar every year. In the seventh century BC, our ancestors used a gnomon to measure the sun's shadow and determined the summer solstice.According to the Kezunxiandu Manuscript, "When the sun reaches its northernmost point, the day is at its longest, and the shadow is shortest, it is called the summer solstice. 'Zhi' means "extreme." On the summer solstice, the sun's position directly above the ground reaches the northernmost point of the year, almost directly above the Tropic of Cancer (23°26' north latitude). It is the day with the longest daylight in the year in all parts of the Northern Hemisphere, and the further north you go, the longer the daylight hours. The "Summer Solstice" is the day in the year when the sun is most northerly, the day with the longest daylight hours in the Northern Hemisphere, and the day when the daylight hours exceed the night hours in the Northern Hemisphere the most. However, the length of daylight hours in different places increases from south to north. This is because the effect of longer days and shorter nights caused by the tilt of the Earth's axis of rotation becomes more obvious as it approaches poles. "After eating summer solstice noodles, the day becomes one line shorter." The effect of longer days and shorter nights is more obvious in regions with higher latitudes. So, how long is the daylight in different regions of China on this day? Yan Jiarong, an astronomy expert from the Jiangsu Astronomical Society, said that based on the sunrise and sunset times at these places on the summer solstice, the length of the day (sunset time minus sunrise time) was calculated: Mohe, the northernmost tip of China, is the place with the longest daylight in China, at 16 hours and 56 minutes; Zengmu Shoal, the southernmost border of China's territory, is the place with the shortest daylight in China, at 12 hours and 16 minutes. The time difference between the north and the south is 4 hours and 40 minutes. - |
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