辰たつの刻こく

expression, noun

hour of the Dragon; around 8 AM

Archaic term for the traditional Japanese hour of the Dragon, roughly corresponding to 7–9 AM or 8–10 AM in the old temporal hour system. Used in historical contexts.

• 江え戸ど時じ代だい、辰たつの刻こくは朝あさの七しち時じから九く時じごろを指さした。

  In the Edo period, the hour of the Dragon referred to around 7 to 9 in the morning.