HOUR

noun see: year Date: 13th century a time or office for daily liturgical devotion, the 24th part of a day ; 60 minutes, 3. the time of day reckoned in two 12-~ periods, the time reckoned in one 24-~ period from midnight to midnight using a 4-digit number of which the first two digits indicate the ~ and the last two digits indicate the minute , 4. a customary or particular time , time of going to bed , an angular unit of right ascension equal to 15 degrees measured along the celestial equator, the work done or distance traveled at normal rate in an ~ , 7. a class session, credit ~ , semester ~