Full Moon
Tuesday, 20 December 2135 · 13:40 local in London
2135-12-20 13:40 UTC · Europe/London
Full Moon occurs at 13:40 local time in London on 20 December. The Moon is opposite the Sun and fully illuminated. It is easy to see all night, but surface contrast is lowest because sunlight is nearly head-on.
Moon altitude
-7°
At the exact phase
Illumination
100%
Full Moon
Local date
20 Dec
2135
Viewing tips
- No dark adaptation is needed — the Moon is bright.
- Use a moon filter if the glare is uncomfortable through a telescope.
- Look for bright ray systems such as Tycho and Copernicus.
Visibility, honestly
Below the horizon at the exact moment — look near moonrise or moonset.
A phase is a global instant; whether it is above your horizon depends on location. Weather is not included here. Check the tonight outlook for cloud cover and a viewing score. No eclipse or conjunction claim is made on this page.
Phase times from Astronomy Engine. Rise/set and altitude use atmospheric refraction. Method
Full Moon · 100% lit
Phase at 13:40 local · NASA LRO surface
Next moonrise
15:12
Next moonset
09:28
Next events
Calendar →Dec 2135
27
Last Quarter Moon
Below horizon22:48 local · Tue, Tue 27 Dec · Moon -12°
Jan 2136
3
New Moon
Not visible16:25 local · Tue, Tue 3 Jan · Moon -8°
Jan 2136
11
First Quarter Moon
Below horizon05:57 local · Wed, Wed 11 Jan · Moon -30°
Jan 2136
19
Full Moon
Above horizon05:52 local · Thu, Thu 19 Jan · Moon 22°