2014年的农历年闰九月,闰九月和正九月是一个不同概念。但闰九月确实很稀罕,上一个闰九月在1832年,下一个则要等到2109年。为什么会出现这种情况?这里涉及物候学的计量精确计算。一、时间计量在历法中的重要意义寒来暑往是人类最直接的时间感受,从通过感官来判断季节变化,到学会用数记录月亮圆缺,进而发展到根据太阳和月亮、星 Lunar New Year 2014 Intercalated September, interim September and September are a different concept. But intercalary September is indeed very rare, the last intercourse in September in 1832, the next one will have to wait until 2109. Why does this happen? This involves the precise calculation of phenology. First, the importance of time measurement in the calendar The cold and summer is the most direct human experience of time, from the senses to determine the seasonal changes, to learn to use the number of recorded moon missing, and then developed to the sun and the moon, the stars