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etimología

Qué (quién) es hours - definición

UNIT OF TIME

Quarter-hour; Stound; Italian time; 🝮; Italian hour; Italic time; Italic hour; Babylonian hour; Egyptian hours; Egyptian hour; Hours; Hour unit; Babylonian hours; Italian hours

hours

hours

(in the Western (Latin) Church) a short service of psalms and prayers to be said at a particular time of day.

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hours

[with preceding numeral] a time so specified on the 24-hour clock.

Hours

·noun ·pl Goddess of the seasons, or of the hours of the day.

hour

n.

1) to show, tell the hour (my watch shows the minute and hour)

2) a solid ('full') hour (the police grilled him for three solid hours)

3) an ungodly ('very early'); ('very late') hour (she called at an ungodly hour)

4) the decisive hour; or: the hour of decision

5) the cocktail hour

6) office; peak; visiting hours (during peak hours more trains run)

7) the rush hour (traffic is very heavy during the rush hour)

8) at a certain hour (at the appointed hour)

9) by the hour (to pay workers by the hour)

10) in a certain hour (in one's hour of need)

11) in, inside, within an hour (she'll be here in an hour)

12) on the hour ('every hour')

13) (misc.) to keep late hours ('to go to bed late'); one's finest hour ('the noblest period in one's life'); in the wee hours of the morning ('late at night'); after hours ('after work'); (a) happy hour ('period in which a bar sells alcoholic drinks at a reduced price'); H-hour/zero hour ('time at which a significant event is scheduled to begin')

Wikipedia

Hour

An hour (symbol: h; also abbreviated hr) is a unit of time historically reckoned as 1⁄24 of a day and defined contemporarily as exactly 3,600 seconds (SI). There are 60 minutes in an hour, and 24 hours in a day.

The hour was initially established in the ancient Near East as a variable measure of 1⁄12 of the night or daytime. Such seasonal hours, also known as temporal hours or unequal hours, varied by season and latitude.

Equal hours or equinoctial hours were taken as 1⁄24 of the day as measured from noon to noon; the minor seasonal variations of this unit were eventually smoothed by making it 1⁄24 of the mean solar day. Since this unit was not constant due to long term variations in the Earth's rotation, the hour was finally separated from the Earth's rotation and defined in terms of the atomic or physical second.

In the modern metric system, hours are an accepted unit of time defined as 3,600 atomic seconds. However, on rare occasions an hour may incorporate a positive or negative leap second, effectively making it appear to last 3,599 or 3,601 seconds, in order to keep UTC within 0.9 seconds of UT1, the latter of which is based on measurements of the mean solar day.

https://en.wikipedia.org/wiki/Hour

Ejemplos de uso de hours

1. "They can continue for about 18 hours, 20 hours, sometimes 24 hours – sometimes 48 hours." Without sleep?

2. Three and a half hours a day, 26 hours a week, 1,352 hours a year.

3. Morning shifts were eight hours, night shifts were six hours.

4. "We have negotiated [for] many hours, endless hours.

5. The meeting continued from 2015 hours to 0015 hours.