Which is correct:
"a hour" or "an hour "?

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a hour

This is incorrect. The article "a" should not be used before the word "hour" because it begins with a vowel sound.

The correct phrase is "an hour" because the word "hour" starts with a vowel sound. Use "an" before words that begin with a vowel sound and "a" before words that begin with a consonant sound.

Alternatives:

  • an hour
  • a minute
  • a day
  • an apple
  • a university

an hour

This is correct. The article "an" is used before the word "hour" because it begins with a vowel sound.

Always use "an" before words that begin with a vowel sound. In this case, "an hour" is the correct way to refer to a period of 60 minutes.

Examples:

  • I'll be there in an hour.
  • It takes an hour to drive to the city.
  • She spent an hour studying for the exam.
  • An hour of exercise a day is recommended.
  • He earns $10 an hour.

Alternatives:

  • a minute
  • a day
  • an apple
  • a university
  • an umbrella
The correct phrase is "an hour." The use of "an" before "hour" is necessary because the word "hour" begins with a vowel sound. This rule applies to all words that begin with a vowel sound, not just vowels themselves.

Last updated: March 30, 2024

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