noun
fifth year of the sexagenary cycle (in Onmyōdō)
Technical term used in Onmyōdō (yin-yang divination) to refer to the fifth year of the traditional 60-year cycle. Rare outside historical or esoteric contexts.
陰陽道では、革運は戊辰の年にあたる。
In Onmyōdō, 革運 corresponds to the year of the Earth Dragon (戊辰).