Full Moon
Thursday, 21 March 2171 · 22:57 local in London
2171-03-21 22:57 UTC · Europe/London
Full Moon occurs at 22:57 local time in London on 21 March. 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
38°
At the exact phase
Illumination
100%
Full Moon
Local date
21 Mar
2171
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 (38°) 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 22:57 local · NASA LRO surface
Next moonrise
19:10
Next moonset
06:33
Next events
Calendar →Mar 2171
28
Last Quarter Moon
Below horizon14:25 local · Thu, Thu 28 Mar · Moon -42°
Apr 2171
5
New Moon
Not visible11:03 local · Fri, Fri 5 Apr · Moon 35°
Apr 2171
13
First Quarter Moon
Above horizon14:29 local · Sat, Sat 13 Apr · Moon 30°
Apr 2171
20
Full Moon
Below horizon08:54 local · Sat, Sat 20 Apr · Moon -25°