Full Moon
Tuesday, 17 August 2027 · 08:29 local in London
2027-08-17 07:29 UTC · Europe/London
Full Moon occurs at 08:29 local time in London on 17 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
-23°
At the exact phase
Illumination
100%
Full Moon
Local date
17 Aug
2027
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 08:29 local · orientation schematic
Next moonrise
20:14
Next moonset
07:01
Next events
Calendar →Aug 2027
25
Last Quarter Moon
Above horizon03:27 local · Wed, Wed 25 Aug · Moon 44°
Aug 2027
31
New Moon
Not visible18:41 local · Tue, Tue 31 Aug · Moon 7°
Sept 2027
7
First Quarter Moon
Above horizon19:31 local · Tue, Tue 7 Sept · Moon 10°
Sept 2027
16
Full Moon
Above horizon00:04 local · Thu, Thu 16 Sept · Moon 37°