hour Synonyms

duration period time of day hr minute lunar month lunar year arcminute calendar month lunchtime aurorean minute of arc year quarter-hour common year bissextile year 60 minutes three winks time period point in time solar year attosecond day of the week calendar year per hour length of time time of night nothing flat spare moment picosecond microcentury clocking canonical hour millisecond psychological moment minutes o'clock clockwise sidereal year clock hour after epoch era evening fivefold hebdomad instant juncture lifetime day