also: ていがい
noun
Fire Boar; 24th sexagenary term
Refers to the 24th term of the traditional 60-term sexagenary cycle (干支), combining the Heavenly Stem 丁 (Fire) and the Earthly Branch 亥 (Boar). Used in historical dating, astrology, and traditional calendars. The reading ひのとい is the standard native Japanese reading; ていがい is the Sino-Japanese reading, rarely encountered.
See also: 干支
1947年は丁亥の年にあたる。
The year 1947 corresponds to the Fire Boar year.
干支の二十四番目は丁亥です。
The 24th term of the sexagenary cycle is the Fire Boar.
干支 is the general term for the sexagenary cycle; 丁亥 is one specific term within that cycle.
From the Chinese sexagenary cycle system, combining the Heavenly Stem 丁 (associated with Fire) and the Earthly Branch 亥 (Boar).