Sexagenary cycle
method for reckoning time in China / From Wikipedia, the free encyclopedia
The sexagenary cycle (六十花甲 liùshí huājiǎ), also known as the "stems-and-branches" or "trunks-and-branches" (干支 gānzhī), is a traditional Chinese calendar system. It is a list of sixty terms which are used for identifying days or years.[1]