Latin word for a *book of hours; English = horary. The word was also used to indicate a timetable, for example, that of a monastery: Matins: 23 am winter, 1-2 am summer; Lauds: 6-7 am winter, 4-5 am summer; Prime: 7-8 am winter, 5-6 am summer; Terce: 9-10 am winter, 7-8 am summer; Sext: 12-1 pm winter, 11-12 am summer; None: 1-2 pm winter, 2-3 pm summer; Vespers: 4-5 pm winter, 6-7 pm summer; Compline: 6:15-6:30 pm winter, 8:15-8:30 pm summer. [< Lat. hora = hour]
Dictionary of Medieval Terms and Phrases. Christopher Coredon with Ann Williams.