The Lunar Cycle of 28 Days x 13 Moons as depicted on the shells of turtles! How amazing is that! Source There is a Friday the 13th Full Moon today. Friday is associated with Freya, Norse Goddess of the Feminine, of love, beauty and fertility. 13 is the number of moons per year, and is also the number of moon cycles women have each year. Friday the 13th has a reputation of being “unlucky” when actually it’s a super Feminine day, honouring the natural gestation/birth/life/deat