Full Moon
Sunday, 23 May 2100 · 18:25 local in London
2100-05-23 17:25 UTC · Europe/London
Full Moon occurs at 18:25 local time in London on 23 May. 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
-24°
At the exact phase
Illumination
100%
Full Moon
Local date
23 May
2100
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 18:25 local · NASA LRO surface
Next moonrise
21:33
Next moonset
04:40
Next events
Calendar →May 2100
30
Last Quarter Moon
Below horizon20:35 local · Sun, Sun 30 May · Moon -44°
Jun 2100
8
New Moon
Not visible00:32 local · Tue, Tue 8 Jun · Moon -11°
Jun 2100
15
First Quarter Moon
Below horizon10:41 local · Tue, Tue 15 Jun · Moon -21°
Jun 2100
22
Full Moon
Above horizon02:11 local · Tue, Tue 22 Jun · Moon 8°