This Friday we will eperience a Blue Moon. A Blue Moon is the second full moon in any calender month. This happens every 2-3 years.
The average interval between full moons is 29.5 days, whilst the length of an average month is 30.5 days. This makes it very unlikely that any given month will contain two full moons,though it does happen sometimes.
Can there be two full moons in a single calender year? Yes. It last happened in 1999. There were two full moons in January and two full moons in March, and no full moon in February. So both January and March had Blue Moons.
The next time we will witness a double blue moon is in 2018.
In 2015 is the next appearance of two full moons in a month and will take place on July 2 and July 31.
Are you familiar with the term "once in a blue moon?"
Guess you should be able to figure it out.
Dedan C.G. Jn. Baptiste
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