In ancient times when man had not quite got round to inventing the wristwatch, the most reliable source of telling the time was the sun, moon, and stars. There seems to be several opinions of who came up with the moon planting calendar first.
The next Blue Moon is August A Blue Moon is the second full moon of the calendar month. August 2012 is a month with two full moons a Blue Moon month – but it’s Blue in name only. The first full moon is August