Full Moon
Thursday, 18 August 1921 · 16:28 local in London
1921-08-18 15:28 UTC · Europe/London
Full Moon occurs at 16:28 local time in London on 18 August. 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
-30°
At the exact phase
Illumination
100%
Full Moon
Local date
18 Aug
1921
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 16:28 local · NASA LRO surface
Next moonrise
19:49
Next moonset
06:46
Next events
Calendar →Aug 1921
26
Last Quarter Moon
Above horizon13:51 local · Fri, Fri 26 Aug · Moon 3°
Sept 1921
2
New Moon
Not visible04:33 local · Fri, Fri 2 Sept · Moon -17°
Sept 1921
9
First Quarter Moon
Below horizon04:29 local · Fri, Fri 9 Sept · Moon -47°
Sept 1921
17
Full Moon
Below horizon08:20 local · Sat, Sat 17 Sept · Moon -14°