⏰ Sixty minutes 🕒 A time 🏆 A special moment 🚗 Travel distance

hour

∞ 1.0

A period of sixty minutes

noun
/aʊər/

: hora

One person reported that it took an hour or more to get to sleep at times.
spend hours
working hours
long hours

So he took one hour from my time.

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Examples

I think we took about an hour, maybe a little longer.
Well, it took about an hour, but we're done.
So he took one hour from my time.

DoctorRamani
I just spent an hour on the phone to Sky.
OK, It takes about two hours a day.

Ryan Pineda
The class met twice a week for 1 hour and 15 minutes each session.

Academic text (2015)
You were supposed to be here an hour ago to load up.

Moonshine County Express (1977)
Then I take a full hour for a mindful lunch.

Evan Carmichael
Each interview lasted approximately 1 hour and was audio recorded with permission from the interviewee.

Academic text (2015)
I spent an hour studying for the exam yesterday.

Synonyms

vshour

75 1.0

A period of time equal to sixty minutes

has identical meaning but is written as the full word rather than abbreviated

Idioms

eleventh hour

6 5.2

The latest possible time before a deadline or event

at the eleventh hour

3 4.5

The last moment before a deadline when it is almost too late

every hour God sends

Archaic

7.5

As often as possible

Compounds

half-hour

395 1.0

A period of thirty minutes

an hour and a half

102 1.0

A time that lasts 90 minutes

miles per hour

98 1.7

A measure of speed showing how many miles you travel in one hour

long hour

68 2.4

A period of time spent working or doing something that is longer than usual

rush hour

49 2.3

Times at the start and end of the work day when traffic is heavy

happy hour

45 2.5

A period when a bar or restaurant sells drinks and sometimes food at lower prices

top of the hour

24 3.0

The exact time when a new hour begins, for example 3:00

early-morning hour

14 2.6

A time early in the morning just after dawn

finest hour

11 4.6

A moment when a person has their greatest success in life or work

kilowatt hour

Specialized

8 3.2

The energy used by a 1,000-watt device in one hour

kilometers per hour

8 2.4

The number of kilometers you travel in one hour

man-hour

Specialized

6 3.4

The work one person does in one hour

quarter-hour

5 1.0

A period of fifteen minutes

zero hour

4 5.1

The exact time when a planned action begins

credit hour

Specialized

3 3.5

One hour of class each week during a semester that counts toward a degree

man hour

Specialized

2 3.0

The amount of work one person does in one hour

hour hand

1 1.8

The shorter hand on a clock or watch that shows the hour

megawatt hour

Specialized

1 4.0

A unit of energy equal to one million watts used for one hour

megawatt-hour

Specialized

1 5.1

An amount of electricity equal to one million watts used for one hour

watt-hour

Specialized

1 4.2

Energy that one watt of power uses in one hour

late-night hour

1 3.7

The late part of the night when most people are asleep

person hour

Specialized

1 3.6

The amount of work one person does in one hour

twilight hour

1 3.5

The time after the sun goes down when the sky is partly light

canonical hour

Formal

9.9

One of seven fixed times for prayer during the day in the Roman Catholic Church

eleventh-hour decision

5.2

A decision someone makes at the last possible moment before a deadline

eleventh-hour effort

4.8

A last-minute attempt to finish something before time runs out

ampere-hour

Specialized

6.3

The amount of electricity a one-ampere current moves in one hour

flower-of-an-hour

Specialized

9.9

A small plant with yellow flowers that open in the morning and fade by midday

flowers-of-an-hour

9.9

A plant with yellow flowers that open in the morning and fade by midday

light hour

Specialized

8.1

The distance light travels in empty space in one hour, about one billion kilometers

machine-hour

Specialized

5.8

One hour of a machine's running time that measures work done or cost

gigajillion hour

Slang

9.7

A very long time that people say to show exaggeration

horsepower-hour

Specialized

7.7

Amount of work one horsepower does in one hour

hour angle

Specialized

9.6

A distance along the sky's equator from your north-south line to a star

hour circle

Specialized

9.9

A circle on the sky that passes through both celestial poles and a star to show its right ascension

semester hour

3.1

A unit of college credit equal to one hour of class per week during a semester

sidereal hour

Specialized

9.9

A time unit astronomers use to divide a day measured by the stars into 24 parts

How Long

year

∞ 1.0

month

∞ 1.0

week

∞ 1.0

day

∞ 1.0

hour

∞ 1.0

minute

∞ 1.0

second

Specialized

∞ 1.0

Surface Forms

hour singular

hours plural

Etymology

Hour comes from the Latin word hora, from Greek hōra, which meant 'hour' or 'season' — a part of the day. So an hour is a fixed part of the day of about sixty minutes.