Why you should know: The ‘a’ vs ‘an’ conundrum is not about what letter actually begins the word, but instead about how the sound of the word starts.
For example, the ‘h’ in ‘hour’ is silent, so you would say ‘an hour’ and not ‘a hour’. A trickier example is Ukraine: because the ‘U’ is pronounced as ‘You’, and in this case the ‘y’ is a consonant, you would say “a Ukraine” and not “an Ukraine”.
Tip: when in doubt, sound it out(loud).
Thank you for coming to my TED talk.
This is the general rule, but you’ll run into problems with words that are pronounced differently with different dialects.
Example:
A herb / An herb
I’d say ‘an herb’ because where I’m from, the h is silent.
But there are many places where it isn’t silent.
A bunch of other comments are using ‘history’ of an example of this… but I’ve not heard of a dialect where the h in history is silent.
That’s not a problem at all. Your example proves the rule: it’s about how the first letter sounds, not what the first letter is.
