Find the December Cold Moon phases for 2015—plus, best days by the Moon, full Moon names, and more.
Full Moon Names
December's Full Moon is called the Full Cold Moon. It is the month when the winter cold fastens its grip and the nights become long and dark.
This full Moon is also called the Long Nights Moon by some Native American tribes.
See all Full Moon names  and their meanings.
If a snowstorm begins when the moon is young, it will cease at moonrise.
Moon Phase Dates 2015
All dates and times are ET. See the Moon Phase Calendar  for your city/state.
||Last Quarter: December 3, 2:42 A.M.|
||New Moon: December 11, 5:29 A.M.|
|First Quarter: December 18, 10:15 A.M.|
||Full Moon: December 25, 6:11 A.M.|
For your next full Moon, see our Full Moon Dates chart .
Best Days in December 2015
Below are the best days for activities, based on the Moon's sign and phase in December.
- Aboveground crops: 21, 22
- Belowground crops: 2, 3, 30, 31
For Setting Eggs:
- 4, 22-24, 31
See Best Days for more activities .
Share your thoughts about this month's Moon below!