Heavenly Stems
East Asian (Chinese) system of 10 ordinals, first appeared during the Shang dynasty (ca. 1250 BCE); together with the 6 Earthly Branches produce a compound cycle of 60 days or 60 years
en-US/ˈhɛvənli ˈstɛmz/
en-GB/ˈhɛvənlɪ ˈstɛmz/
East Asian (Chinese) system of 10 ordinals, first appeared during the Shang dynasty (ca. 1250 BCE); together with the 6 Earthly Branches produce a compound cycle of 60 days or 60 years