Synonyms & Similar Words
day night second minute hour month bell amount sec min quarter measure quantity hr tt millisecond nanosecond microsecond time unit 60 minutes attosecond ephemeris time femtosecond half-hour mean solar day mean solar time mean time msec picosecond quarter-hour s ship's bell sidereal day solar day tdt terrestrial dynamical time terrestrial time twenty-four hour period 15 minutes twenty-four hours 24-hour interval 30 minutes