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夏至,在每年6月22日或21日。《恪遵宪度抄本》:“日北至,日长之至,日影短至,故曰夏至。至者,极也。”夏至这天,太阳直射地面的位置到达一年的最北端,北半球的白昼达最长。夏至时节,农作物生长旺盛,杂草、病虫迅速生长,需加强田间管理。唐代诗人韦应物《夏至避暑北池》诗云:昼晷已云极,宵漏自此长。未及施政教,所忧变炎凉。公门日多暇,是月农稍忙。高居
Summer Solstice, on June 22 or 21 each year. “To abide by the Codex”: “North Japan to Japan, the Japanese long, the Japanese film short, so it is said to the summer solstice.” The summer solstice that day, the location of the sun to reach the ground the most North end, the longest day in the northern hemisphere. Summer solstice season, vigorous growth of crops, weeds, pests and diseases rapid growth, the need to strengthen field management. Wei Ying Tang Dynasty poet “Summer Solstice Summer Pool” poem: Day has been extremely cloudy, night leakage since long. Before the administration and education, the worry of the cold. Public door more time, is slightly more lunar month. High