Once in a Blue Moon

A lunar month, which is the time it takes for the moon to complete a cycle through all the phases from new moon and back to new moon again, takes 29.53 days. This is close to the length of the average month in the Western calendar. Typically each month there will be one of each of the phases: new moon, first quarter, full moon and last quarter moon. But “once in a blue moon”, due to the accumulation of approximately eleven days each calendar year, a month will have two of the same phases. When a month has two full moons, the second one is called a “blue moon”.

This extra full moon occurs on average once every 2.72 years, and so I guess you could say “once in a blue moon means once every 32 months, which is not very often. This is the equivalent of approximately 40 blue moons each century.

But does the blue moon actually appear blue? No, a blue moon looks just like a regular full moon. Fortunately every full moon is beautiful.

Stella Luna © 2012 The Tarot Reader. All rights reserved.

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