Blue

It was December 31 (last year) and it was 8.51 PM. In the new year's eve darkened sky stood the blue moon. A rare vent. Not exceptional it seems, just not common.

Google made it simple: a blue moon is an second full moon in the same month. So 2009 went out in style with a 13th full moon. An exceptional event, that's why tradition has the saying "once in a blue moon", when things happen sometimes but rarely.

And apparently a blue moon brings good luck. Now was that good luck that 2009 ended or good luck that we were about to make it into 2010?