sexagenary

Of or related to the number sixty

The sexagenary cycle is formed by combining the twelve earthly branches representing the years of Jupiter's orbital cycle and the ten heavenly stems of the Shang-era week, stopping halfway through to reflect the pairing of yin and yang terms.

Of or related to the number sixty

Of or related to the number sixty

Synonym of sexagesimal: base-60 numeration.

Synonym of sexagenarian: a sixty-year-old.