noun
Sukuyōdō astrology
A form of astrology based on the Chinese Xiuyaojing, introduced to Japan during the Heian period. Used for calendrical and divinatory purposes. Historical term; not part of modern everyday astrology.
See also: 宿曜
宿曜道は、平安時代に日本に伝わった占星術の一種である。
Sukuyōdō is a type of astrology that was brought to Japan in the Heian period.
宿曜道では、二十七宿を用いて吉凶を判断した。
In Sukuyōdō, the 27 lunar mansions were used to determine fortune.