Learn more and buy the 2015 Old Farmer's Almanac!
Reporting
In 2013, the August moon willIn 2013, the August moon will REALLY be a Blue Moon. That is, it will be the third full moon in the summer season which has four full moons in 2013. This is the original, correct definition of a Blue Moon. The definition about the second full moon in a month is a more recent simplified usage.