The full moon in December 2031
December's full moon — traditionally the Cold Moon — with its exact peak computed from JPL ephemeris data and shown in your timezone.
The sky at the instant of the full moon — the Moon in Cancer, the Sun exactly opposite, both at their computed longitudes
December 28, 2031 at 17:33 UTC
Full moon in Cancer · peak illumination — the instant the Moon sits exactly opposite the Sun
A full moon in Cancer
A full moon in Cancer turns the volume up on home and belonging. Feelings run close to the surface, which is information, not an emergency.
Also this month
The new moon falls on December 14, 2031 at 09:05 UTC in Sagittarius— the start of the next lunar cycle.
Every time on this page is computed from JPL ephemeris data — the same source NASA navigates by — and shown in your timezone. Want to know what the sky is doing to your chart? Start with the Big Three quiz or build your chart.