http://www.cnn.com/2009/TECH/space/12/30/blue.moon/
"Most months have just one full moon, because the 29.5-day cycle of the moon matches up pretty well with the length of calendar months. Occasionally, there will be two full moons in a month, something that happens about every 2½ years, NASA says.
But a blue moon on December 31 is rare."
May this be a special turning point. What 'd you say, Pic.