关于殷历的月首,迄今有三种意见:一种以刘朝阳为代表,认为殷历是政治历,每月都有三旬,每旬都有十日,每月都固定为三十日,没有大小月建的区别;没有闰月;“纪日的干支和各月各旬的日次都有一种比较固定的关系,就是逢一的日子常为甲日,逢二的日子常为乙日,这样顺次类推下去,到逢十的日子常为癸日”。这种观点认为殷历的月首全为“甲”日,月终全为“癸”日,即所谓“一甲十癸”说。第二种以董作宾为代表,认为殷历是用推步方法制定的太阴太阳历,是以“朔”日作为 There are three opinions on Yinli’s lunar month so far: one is Liu Chaoyang, who believes that Yinli is a political calendar, every month has a ten-day ten-day ten-day fixed at thirty on a monthly basis, with no size The difference between the month built; there is no intercalary month; “The dry branch of the day and each month every ten days have a more fixed relationship, that is, every day is often A, every two days often B, so In turn, analogy, every ten days often Gui day. This view holds that the lunar calendar of the entire lunar calendar is the ”A“ day, with the end of the month being the date of ”decadal“, the so-called ”one-year-ten-decree“. The second kind is represented by Dong Zuobin, who believes that Yinli is a solar calendar made by the method of pushing forward the sun, based on ”