expression, noun
hour of the Dog; around 8pm
Archaic temporal unit from the traditional Japanese clock, corresponding roughly to 7–9 p.m. or 8–10 p.m. depending on the system. Used in historical contexts.
江戸時代、戌の刻は夜の始まりとされていた。
In the Edo period, the hour of the Dog was considered the start of night.