a hour

USAGE SUMMARY

The phrase "a hour" is not correct in written English.
The correct phrase is "an hour" because "hour" starts with a vowel sound. Example: I waited for an hour for the bus to arrive.

⚠ May contain grammatical issues

News & Media

Wiki

Human-verified examples from authoritative sources

Exact Expressions

58 human-written examples

Took about a hour before they was holed.

The New Yorker

A good rule is to brine a hour per pound.

The New York Times

The computing cost was less than $4,900 a hour.

The New York Times

You're in this relationship for years at $150 a hour.

The New York Times - Magazine

After waiting more than a hour, the fantasy became real.

The New York Times

He was famous for workouts that were incredibly short: over in a hour.

The New Yorker

It did, though we managed to get things straightened out within a hour.

The New York Times

His lap of 103.623 miles a hour was fastest until Jourdain's run.

The New York Times - Sports

Low-wage workers in Massachusetts will see their pay go up to $9 a hour.

The Guardian - Money

You're in and out of a store in less than a hour.

The New York Times

It's not that I don't enjoy a good mystery that comes and goes in a hour.

The Guardian - TV & Radio

Expert writing Tips

Best practice

Always use "an hour" instead of "a hour". The article "an" is used before words that begin with a vowel sound.

Common error

Avoid using "a" before words that start with a vowel sound. The correct article to use before "hour" is "an".

Linguistic Context

The phrase "a hour" functions as a noun phrase intended to denote a period of time. However, due to the incorrect use of the article "a" instead of "an" before the vowel sound in "hour", it results in a grammatical error. Ludwig AI points out this grammatical issue.

Expression frequency: Very common

Frequent in

News & Media

98%

Wiki

2%

Formal & Business

0%

Less common in

Science

0%

Academia

0%

Encyclopedias

0%

Ludwig's WRAP-UP

The phrase "a hour" is frequently encountered but grammatically incorrect. As Ludwig AI indicates, the correct form is "an hour", as "hour" begins with a vowel sound. This error appears across various sources, including news outlets and general web content. While the intention is clear—to denote a duration of 60 minutes—adhering to proper grammar is crucial for clear communication. Remember to use "an" before words starting with a vowel sound to avoid this common mistake.

More alternative expressions

Phrases that express similar concepts, ordered by semantic similarity:

an hour

Corrects the grammatical error by using the appropriate article "an" before the vowel sound.

one hour

Replaces the indefinite article with the numeral "one" for specificity.

approximately an hour

Adds an adverb to indicate an estimated duration.

about an hour

Similar to "approximately an hour", indicating an estimate.

around an hour

Another way to express an approximate time frame.

a period of sixty minutes

A more formal and precise way to define the time interval.

sixty minutes

Specifies the exact duration in minutes, omitting the indefinite article.

a sixty-minute period

Using a compound adjective to describe a specific time span

within the hour

Implies something will happen before the end of the current hour.

less than an hour

Indicates a duration shorter than a complete hour.

FAQs

Why is it incorrect to say "a hour"?

The phrase "a hour" is incorrect because the word "hour" begins with a vowel sound. The correct article to use before words starting with a vowel sound is "an", so you should say "an hour" instead.

What's the difference between "a hour" and "an hour"?

"A hour" is grammatically incorrect. The proper phrasing is "an hour", using the indefinite article "an" before a word that begins with a vowel sound.

What can I say instead of "a hour"?

The only correct replacement for "a hour" is "an hour". You can also use phrases like "one hour" or "approximately an hour" depending on the context.

How do I properly use "an hour" in a sentence?

Use "an hour" to refer to a period of 60 minutes. For example, "The meeting lasted "an hour"" or "I'll be there in "an hour"".