Full Moon
Monday, 1 September 2031 · 10:21 local in London
2031-09-01 09:21 UTC · Europe/London
Full Moon occurs at 10:21 local time in London on 1 September. 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
-33°
At the exact phase
Illumination
100%
Full Moon
Local date
1 Sep
2031
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 10:21 local · orientation schematic
Next moonrise
19:23
Next moonset
07:41
Next events
Calendar →Sept 2031
8
Last Quarter Moon
Below horizon17:14 local · Mon, Mon 8 Sept · Moon -15°
Sept 2031
16
New Moon
Not visible19:47 local · Tue, Tue 16 Sept · Moon -11°
Sept 2031
24
First Quarter Moon
Below horizon02:20 local · Wed, Wed 24 Sept · Moon -29°
Sept 2031
30
Full Moon
Above horizon19:58 local · Tue, Tue 30 Sept · Moon 15°