I study Japanese once in a Blue Moon. (It's sad but true!)
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John: How often do you go to the movies?
Yoko: Once in a Blue Moon.
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John: How often do you go to the movies?
Yoko: Once in a Blue Moon.
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This month, there was a full moon on the 2nd. There will be
another full moon tomorrow, August 31st. Therefore, tomorrow will be
a Blue Moon. Try to do something you don't often do tomorrow. Once you've done it, you can say, "I only do that once
in a Blue Moon!"
*This is a modern definition of Blue Moon dating from 1946. The
traditional definition, which is thousands of years old, is the
3rd full moon of a season with 4 full moons. Farmers would
measure the seasons by counting the full moons. Usually, it was
time to change seasons after 3 full moons. However, the extra
full moon that sometimes happens would confuse them. They
called the 3rd full moon a Belewe Moon. Belewe is Old
English for "liar," that 3rd full moon was a "Liar Moon!" Somehow, "belewe" was replaced with "blue" in modern English and the original meaning was forgotten.
By the way, Blue Moons are not really blue! I changed the color of the moon in the above photo using an image-editing program.
