楚国有三种纪年方法,即序数纪年法、岁星纪年法和大事纪年法。大事纪年法较多见于楚简和铜器铭文,于是许多专家认为大事纪年法始于楚人。但根据西周青铜器铭文资料,西周早期就有以大事纪年的方式,因此大事纪年法并非始于楚人。齐国铜器铭文和陶文中也有不少大事纪年资料。楚国和齐国都继承了周人的大事纪年方法。 There are three kinds of Chu dating methods, namely ordinal dating method, the age of the annals year method and the event annals method. Events Chronology more common in Chu and bronze inscriptions, so many experts think Chronology of events began in Chu. However, according to the Western Zhou inscriptions on bronze inscriptions, early Western Zhou Dynasty had a major event in the way, so the Chronology of Events does not begin with the Chu people. Qi bronze inscriptions and Tao Wen also has many events calendar data. Chu and Qi both inherited the anniversary of the Chronicle method.