Seldom; very rarelyType your answer here...
Once in a very long time or takes ages to happen A "blue moon" is when there is a full moon twice in a calendar month-which IS rare, but occurs, on average, every 2.5 years.
If you've ever heard of the expression "once in a blue moon", you would probably refer to it as being "rare" or "unusual", so if you were born on a blue moon (which I have just found out I was) it means you're pretty unique!
Once in a blue moon is every 2 and 1/2 years.or, as google would put it,once in a blue moon = 1.16699016 × 10-8 hertz
A blue moon appears once every two or three years. It is an astronomical phenomenon where the moon actually colors blue. This is why it is called a 'blue moon'.
100years
have you ever seen a blue moon? thats why
Usually the first two and the last two letters are blue, making it "once in a blue moon"
Once in a very long time or takes ages to happen A "blue moon" is when there is a full moon twice in a calendar month-which IS rare, but occurs, on average, every 2.5 years.
Yes sometimes there are 2 full moons during one month. These do not happen very often and the second full moon is called a 'blue moon', hence the expression, "once in a blue moon".
If you've ever heard of the expression "once in a blue moon", you would probably refer to it as being "rare" or "unusual", so if you were born on a blue moon (which I have just found out I was) it means you're pretty unique!
Once in a Blue Moon - stories - was created in 2003.
"Once in a Blue Moon: Stories" by Michael Morpurgo has 256 pages.
Yes. Bing Crosby recorded 'Once In A Blue Moon'.
A Blue moon is the second full moon in a month. It happens only once in a while, therefore the old saying "Once in a blue moon."
Once in a blue moon is every 2 and 1/2 years.or, as google would put it,once in a blue moon = 1.16699016 × 10-8 hertz
"Once in a blue moon" is an idiom that means something that rarely happens or occurs, essentially implying it is very infrequent or rare. It refers to a blue moon, which is the second full moon in a calendar month, occurring roughly every 2-3 years.
Once in a Blue Moon - 1995 is rated/received certificates of: USA:PG