Traditional Names of the Annual Full Moons

January: Wolf
February: Storm
March: Chaste
April: Seed
May: Hare
June: Dyad (pair)
July: Mead
August: Wyrt (green plant)
September: Barley
October: Blood
November: Snow
December: Oak
variable: Blue

In addition, the Harvest moon is the full moon the falls nearest Mabon.
A Blue moon occurs when the moon with its 28-day cycle appears twice within the same calender month, due to that month's 31-day duration.

New to Full = waxing
Full to New = waning

3 days prior to the New moon is known as the Dark of the Moon. Traditionally, no magick is performed at this time.