A unit of time equal to one of the 24 equal parts of a day; 60 minutes. &diamf3; A sidereal hour is1 /24 of a sidereal day, and a mean solar hour is1 /24 of a mean solar day.
a period of time equal to 1/24th of a day
Find another word for hr. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for hr, like: hour, 60 minutes, recruitment, human resources, consulting, consultancy and marketing.