Some examples and use cases from the internet:

Some examples and use cases from the internet:

• ... January 2018, March 2018, October 2020, August 2023, May 2026 and December 2028. There will also be a Blue Moon on June 30, 2007. The next year after ...
• The Moon will reach full phase – a full moon which will also be a blue moon. The term blue moon does not refer to any change in the Moon's color, but is ...
• More A Full Moon on Halloween must also be a Blue Moon, and it happens five or six times during the 21st century. How accurately can you calculate the time of  ...
• A 1943 article followed by a 1946 article in the magazine Sky and Telescope essentially declared the second full moon in the same month to be a "Blue Moon" in ...

• A blue moon is an additional full moon that appears in a subdivision of a year: either the third of .... Two full moons in one month (the second of which is a "blue moon"): 2009: December 2, December 31 (partial lunar eclipse visible in some parts ...
• ... which doesn't quite fit in with the months in our calendar. However, there are two completely different ways of calculating which full Moon is a Blue Moon.
• Mar 23, 2016 ... What is a Blue Moon? The next Blue Moon will be on May 21, 2016. It's a seasonal Blue Moon, the third of four full moons between the March ...
• Once in a Blue Moon ... is a common way of saying not very often, but what exactly is a Blue Moon? According to the popular definition, it is the second Full Moon ...