The 60th year of a cycle in China's traditional calendar is called "Guihai Year". In the following AD years, the number of years over 60 is divided by 3, or the number of years is subtracted by 3, and the remainder of division by 10 is 0, and the remainder of division by 12 is 0. The year from beginning of spring to beginning of spring in the following year is "Guihai Year".
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What is the traditional calendar year in China? The 60th year of a cycle is called "Guihai Year". In the following Gregorian calendar years, the number of years is divided by 3 above 60, or the number of years is subtracted by 3, and the remainder of division by 10 is 0, and the remainder of division by 12 is 0, so the years from the first day of the first month of that year to the New Year's Eve of the following year are all "years of Guihai".
Lunar calendar is a dry calendar, and solar terms are used to guide agricultural production. Branches and branches are not divided into solar terms, regardless of traditional habits or official calendars (see the perpetual calendar compiled by Purple Mountain Observatory of Chinese Academy of Sciences for details).