Full Moon
Tuesday, 21 May 1940 · 14:33 local in London
1940-05-21 13:33 UTC · Europe/London
Full Moon occurs at 14:33 local time in London on 21 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
-51°
At the exact phase
Illumination
100%
Full Moon
Local date
21 May
1940
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 14:33 local · NASA LRO surface
Next moonrise
20:48
Next moonset
05:58
Next events
Calendar →May 1940
29
Last Quarter Moon
Above horizon01:40 local · Wed, Wed 29 May · Moon 1°
Jun 1940
6
New Moon
Not visible02:05 local · Thu, Thu 6 Jun · Moon -19°
Jun 1940
13
First Quarter Moon
Below horizon02:59 local · Thu, Thu 13 Jun · Moon -17°
Jun 1940
20
Full Moon
Above horizon00:02 local · Thu, Thu 20 Jun · Moon 18°