![the second full moon in a month may be called a blue moon but it is quite a happy moon especially when there are no clouds Poster | simonjbrown1 | Keep Calm-o-Matic the second full moon in a month may be called a blue moon but it is quite a happy moon especially when there are no clouds Poster | simonjbrown1 | Keep Calm-o-Matic](https://sd.keepcalms.com/i/the-second-full-moon-in-a-month-may-be-called-a-blue-moon-but-it-is-quite-a-happy-moon-especially-when-there-are-no-clouds.png)
the second full moon in a month may be called a blue moon but it is quite a happy moon especially when there are no clouds Poster | simonjbrown1 | Keep Calm-o-Matic
![It called Blue Moon (Blue Moon English translation) to the second full moon occurring during the same month of the Gregorian Stock Photo - Alamy It called Blue Moon (Blue Moon English translation) to the second full moon occurring during the same month of the Gregorian Stock Photo - Alamy](https://c8.alamy.com/comp/FCN8X2/it-called-blue-moon-blue-moon-english-translation-to-the-second-full-FCN8X2.jpg)
It called Blue Moon (Blue Moon English translation) to the second full moon occurring during the same month of the Gregorian Stock Photo - Alamy
![If two Full Moons in one calendar month are called a Blue Moon, then what, if anything, are two New Moons called, as occurred in September? | Astronomy.com If two Full Moons in one calendar month are called a Blue Moon, then what, if anything, are two New Moons called, as occurred in September? | Astronomy.com](https://astronomy.com/-/media/Images/Magazine%20Articles/2016/12/ASYSK1216_01REcopy.jpg)