Full Moon
Tuesday, 21 September 2021 · 00:55 local in London
2021-09-20 23:55 UTC · Europe/London
Full Moon occurs at 00:55 local time in London on 21 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
21 Sep
2021
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
Above the horizon (33°) at the exact moment.
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 00:55 local · orientation schematic
Next moonrise
19:37
Next moonset
06:52
Next events
Calendar →Sept 2021
29
Last Quarter Moon
Above horizon02:57 local · Wed, Wed 29 Sept · Moon 38°
Oct 2021
6
New Moon
Not visible12:05 local · Wed, Wed 6 Oct · Moon 35°
Oct 2021
13
First Quarter Moon
Below horizon04:25 local · Wed, Wed 13 Oct · Moon -51°
Oct 2021
20
Full Moon
Below horizon15:57 local · Wed, Wed 20 Oct · Moon -19°