Once in a Blue Moon

Welcome to English in a Minute, where we teach you all about idioms in American English.

Have you even heard the American English idioms...Once in a blue moon.

It doesn't mean that the moon is blue. So let's listen to this American English conversation to find out how

it is used:

A: Where did you say your brother lives?
B: He lives all the way in Minnesota, so I never get to see him. I only get to see him once in a blue moon.

Once in a blue moon is a common way of saying that something does not happen often. But what is a blue moon?

We typically see a full moon once a month. And seeing two full moons in the same month is rare. The second full moon in a particular month is called the blue moon.

Once in a blue moon is an informal phrase.

And that's English in a Minute.

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