Sunrise and sunset times for the summer solstice on June 21, 2022
The summer solstice is the tenth solar term among the twenty-four solar terms. As the longest day, the sunrise and sunset times on this day are different from those on ordinary days. The editor has compiled a list of sunrise and sunset times for the summer solstice on June 21, 2022 for you! Pomegranate Month is one of the nicknames of May, and it is named so because the pomegranate flowers are in full bloom in May. There is a poem circulating: "The pomegranate flowers in May are bright to the eyes, and the fruits can be seen on the branches from time to time." Follow Shuimo.com to learn more.Summer Solstice Science Popularization on June 21, 2022The summer solstice is not the beginning of summer, it is the fourth solar term in summer, and its arrival symbolizes the beginning of the truly hot summer.The weather is hot and rainy during the summer solstice, but some areas will experience drought during the summer solstice, so people in the past would collect rainwater during this solar term. There is also a folk custom of eating noodles during the summer solstice, and this kind of summer solstice noodles is also called "entering the dog days noodles". Calculation of sunrise and sunset times for the summer solstice in 2022The 2022 summer solstice sunrise time is 6:34:08 a.m. on June 21, and the sunset time is 6:43:12 p.m.Given the latitude A of the point where sunlight directly shines on the earth, we can find the sunrise time at any point on the earth (with the known latitude B). We have obtained a formula: T=12*arcCos(tgA*tgB)/π (applicable to the northern hemisphere) Calculation shows that on the summer solstice: the sun's direct point is also on the Tropic of Cancer, A=B=23°26′, and substituting it into the formula we get T=5.28, which means the sunrise time is 6:34:08 in the morning. The sunrise and sunset times are symmetrical about 12 noon, so the sunset time on the summer solstice is 6:43:12 in the evening. The times of sunrise and sunset vary with the seasons and the latitude of each place. The summer solstice is the day with the longest day and shortest night in the northern hemisphere. Most people would intuitively think that the sunrise time on the summer solstice is the earliest and the sunset time is the latest in the year. But in fact, the earliest sunrise in the year usually occurs in early June before the summer solstice, and the latest sunset occurs in late June to early July after the summer solstice. Summer Solstice Climate CharacteristicsConvective weather: After the summer solstice, the ground heats up strongly, air convection is vigorous, and thunderstorms are often formed in the afternoon and evening. This type of hot thunderstorm comes and goes suddenly, and the rainfall range is small, so people call it "summer rain across the fields."Heavy rain: In most cases, during the "Summer Solstice", it is the plum rain season in the middle and lower reaches of the Yangtze River and the Jianghuai River basins, and heavy rains occur frequently, which can easily lead to flood disasters and even threaten people's lives and property. We should pay attention to strengthening flood prevention work. Plum Rain in Jianghuai: The summer solstice is the "plum rain" season in the Jianghuai area. This is the time when the plums in the south of the Yangtze River are ripe and yellow. The air is very humid, and the cold and warm air masses meet here to form a low-pressure trough, resulting in continuous rainy weather. |
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