Blue Moon

BLUE MOON

Blue moon: Occurs when there are two full moons in one month or one zodiac sign. Due to the lunar cycle being 29.5 days these blue moons occur approximately every 2.5 years, usually in a month with 31 days and never in February.

Related posts:

  1. Nearly Dark Moon Or New Moon
  2. The Moon
  3. Waxing Moon

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