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今年农历闰七月,农历的闰月是怎么回事?一、为什么农历会有闰月我国的农历既不是阳历又不是阴历,而是阴阳历。农历置闰月是为了协调回归年与农历年的矛盾。我们知道回归年的总长度为365.2422日,一个朔望月的长度为29.5306日。十二个朔望月构成阴历年,长度为29.5306×12=354.3672日,比回归年少10.88天,近11天,每个月少0.91天,近1天。长此以往,如阴历年某年春节为大雪纷飞的冬天,第二年的春节就会在季节上提前11天,那么,第十六个阴历年就会出现在赤日炎炎的夏天。若按十三个朔望月构成阴历年,长度为29.5306×13=383.8978日,比回归年又多出18天多。如果按上述方法制定历法,就会出现天时与历法不合、时序错乱颠倒的怪现象。
This year Lunar New Year leap July, the lunar month of the leap month is how the matter? First, why the Lunar New Year will have a leap month The lunar calendar in our country is neither a solar calendar nor a lunar calendar, but the lunisolar calendar. The lunar calendar is set to intercalary month to reconcile the Lunar New Year and the conflict. We know that the total length of the year of reunification is 365.2422 days, and the length of a lunar month is 29.5306 days. Twelve lunar months constitute the Lunar New Year, the length of 29.5306 × 12 = 354.3,672 days, 10.88 days less than the return of the past 11 days, less than 0.91 days a month, nearly 1 day. Over time, as Lunar New Year Lunar New Year is snowfall in winter, the second year of the Spring Festival will be 11 days ahead of the season, then the sixteenth lunar calendar will appear in the hot summer sun. If the Lunar New Year lunar calendar by thirteen months, the length of 29.5306 × 13 = 383 8978 days, 18 days more than the return of the year. If we make the calendar according to the above method, we will find the strange phenomenon that the time and the calendar are different and the timing is wrong and upside down.