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A Hour or An Hour?

• An hour
• Why:
• Use "an" if the next word starts with the sound of a vowel.
• read the full A vs. An article: here
• Hour is pronounced: ow-r.
• We say an hour because the 'h' is silent and the first sound which is heard is the sound of a vowel.
• Check out the A or An Dictionary to learn more.

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