hour

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hour

1. a period of time equal to 3600 seconds; 1/24th of a calendar day
2. Astronomy an angular measurement of right ascension equal to 15° or a 24th part of the celestial equator

hour

Symbol: h.
1. A unit of time equal to 60 minutes, i.e. 1/24 of a day.
2. A unit of angle equal to 15° of arc, i.e. 1/24 of a circle. See right ascension.

hour

[au̇r]
(mechanics)
A unit of time equal to 3600 seconds. Abbreviated h; hr.
References in periodicals archive ?
The lab worker said: "Because of the nature of our work we are often on shifts so we do not keep regular hours.
And in the United States, where restaurants keep regular hours and most of the population does not fast, Leena El-Ali, Director of Muslim-Western Relations and Middle East and North Africa Programs, reflects, "It's a funny thing, this idea that many 'back home' have of how hard it must be for me to participate in Ramadan while living in the diaspora, in Washington and, in years past, London (rather than Lebanon)."
For now, all other stores will stay open and keep regular hours.