For those of you who are frequent users of the phrase “once in a blue moon,” you’ll be delighted to hear that that time has come. This year August has two full moons and tonight is the Blue Moon. But don’t get your hopes up, the moon won’t actually be blue.
That’s because a Blue Moon is sometimes defined as the second full moon in a calendar month. The first full moon was August 1. The second full moon is today – August 31, 2012. The second full moon of August 2012 is the Blue Moon. Read more about it → here ←.