- the fifth of the seven canonical hours, or the service for it, originally fixed for the ninth hour of the day (or 3 p.m.).
- (in the ancient Roman calendar) the ninth day before the ides, both days included: the seventh of March, May, July, and October, and the fifth of the other months.
- (in the Roman calendar) the ninth day before the ides of each month: the seventh day of March, May, July, and October, and the fifth of each other month
- the fifth of the seven canonical hours of the divine office, originally fixed at the ninth hour of the day, about 3 pm