hour
A unit of time that lasts for sixty minutes. There are twenty-four of these units in one full day.
Examples
3 of 5The movie starts in one hour.
The movie starts in one hour.
Please arrive one hour prior to the scheduled departure.
Please arrive one hour before the set departure time.
I'll be there in about an hour, okay?
I will be at your location in roughly sixty minutes.
Word Family
Memory Tip
Think of the 'H' in Hour as a silent ghost; you don't hear it, but it's there to mark the time!
Quick Quiz
The train leaves in ___ hour.
Correct!
The correct answer is: an
Examples
The movie starts in one hour.
everydayThe movie starts in one hour.
Please arrive one hour prior to the scheduled departure.
formalPlease arrive one hour before the set departure time.
I'll be there in about an hour, okay?
informalI will be at your location in roughly sixty minutes.
The test duration is exactly one hour.
academicThe time allowed for the examination is sixty minutes.
The meeting will last for one hour.
businessThe professional discussion is scheduled for sixty minutes.
Word Family
Common Collocations
Common Phrases
happy hour
a time when drinks or food are cheaper
on the hour
at exactly the start of a new hour (e.g., 1:00, 2:00)
at the eleventh hour
at the very last moment
Often Confused With
These words sound the same, but 'our' is a possessive pronoun meaning belonging to us.
Beginners sometimes confuse the spelling or sound, but 'are' is a form of the verb 'to be'.
Usage Notes
Always use the article 'an' before 'hour' because the 'h' is silent and the word begins with a vowel sound.
Common Mistakes
Many learners incorrectly say 'a hour' instead of the correct form 'an hour'.
Memory Tip
Think of the 'H' in Hour as a silent ghost; you don't hear it, but it's there to mark the time!
Word Origin
From the Old French 'hore' and Latin 'hora', meaning a season, time, or specific period.
Grammar Patterns
Cultural Context
In many cities, 'rush hour' specifically refers to the high-traffic times when people commute to and from work.
Quick Quiz
The train leaves in ___ hour.
Correct!
The correct answer is: an
Related Grammar Rules
Related Phrases
Related Vocabulary
A clock is a device used to measure, keep, and indicate time...
secondA second is a basic unit of time that is equal to one-sixtie...
dayA day is a period of 24 hours, measured from one midnight to...
scheduleA plan that lists events, tasks, or appointments along with...
watchTo look at something for a period of time, especially someth...
minuteA unit of time that is equal to sixty seconds. It is used to...
More Time words
lifetime
A1A lifetime is the entire period of time that a person is alive. It can also refer to the length of time that an object, like a machine, works correctly.
Monday
A1Monday is the day of the week between Sunday and Tuesday. In many parts of the world, it is regarded as the first day of the working and school week.
Tuesday
A1Tuesday is the third day of the week, positioned between Monday and Wednesday. In most Western cultures and business environments, it is regarded as the second day of the standard work week.
Thursday
A1Thursday is the day of the week that comes after Wednesday and before Friday. It is typically considered the fourth day of the working week in most Western countries.
Saturday
A1Saturday is the day of the week that follows Friday and comes before Sunday. It is widely considered the first day of the weekend and is typically a day for rest or leisure in many cultures.
Sunday
A1Sunday is the seventh day of the week, positioned between Saturday and Monday. In many parts of the world, it is considered the final day of the weekend and is typically a day for rest or religious activities.
weekend
A1The weekend is the period of time at the end of the week, typically including Saturday and Sunday. It is generally a time when people do not work or attend school and use the time for rest or leisure.
yesterday
A1Yesterday refers to the day immediately before today. It is used to describe events, actions, or states that occurred in the very recent past, specifically one day ago.
day after tomorrow
A1The day that comes after the one that follows today. It refers to a point in time two days into the future from the current day.
day before yesterday
A1The day that occurred immediately before yesterday, referring to two days ago from today. It is used to pinpoint a specific time in the recent past in relation to the current day.
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