MoonPhases

December 2025 · Thursday · 9 months ago

4 December 2025

Full Moon

99% illuminated and waxing, 14.2 days into the lunar cycle. This full moon is known as the Cold Moon.

Supermoon
The moon on 4 December 2025: Full Moon, 99% illuminated

Ephemeris for 4 December 2025 at 12:00 UTC

Phase
Full Moon
Illumination
99.5%
Lunar age
14.2 days
Elongation
173.3°
Distance
356,954 km
Distance (mi)
221,801 mi
Apparent size
33.5′
Constellation
Gemini
Libration lat
6.4° S
Libration lon
0.2° E

Moonrise and moonset

Times in each city's own time zone. A “+1” means the event falls on the following day — the lunar day is about 50 minutes longer than ours, so rise and set drift later each date.
CityMoonriseTransitMoonsetPeak altitude
London14:5223:4907:3365.4°
New York15:5423:5906:5276.8°
Chicago15:4523:5606:5475.7°
Denver16:0600:08 +106:5977.9°
Los Angeles16:2200:04 +106:3583.8°
Mexico City17:4400:44 +106:3581.4°
São Paulo18:4200:04 +104:2338.1°
Berlin14:4923:5307:4264.3°

Somewhere else? The calculator works for any latitude and longitude, including your own.

Phases around this date

PhaseDateTime (UTC)From this date
Full Moon4 December 202523:14today
Last Quarter11 December 202520:52in 7 days
New Moon20 December 202501:44in 16 days
First Quarter27 December 202519:10in 23 days