Onmyōdō astrology; Nine Star Ki astrology
A form of astrology based on the nine stars (九星) used in Onmyōdō (陰陽道), a traditional Japanese esoteric cosmology. Often associated with fortune-telling and divination.
See also: 九星
Nine Star Ki astrology is one method of divination based on the year of birth.
Compound of 九星 (kyūsei, 'nine stars') + 術 (jutsu, 'technique, art'). The term refers to a specific astrological system within Onmyōdō.