Last Quarter Moon
Sunday, 21 August 2011 · 22:55 local in London
2011-08-21 21:55 UTC · Europe/London
Last Quarter Moon occurs at 22:55 local time in London on 21 August. Half of the visible disc is lit on the opposite side from first quarter. Morning observers get the best view of the terminator.
Moon altitude
1°
At the exact phase
Illumination
50%
Last Quarter
Local date
21 Aug
2011
Viewing tips
- Best viewing is after midnight and into the morning.
- The terminator favours craters on the opposite side from first quarter.
- Twilight can still give a pleasing low-contrast view.
Visibility, honestly
Above the horizon (1°) 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
Last Quarter · 50% lit
Phase at 22:55 local · orientation schematic
Next moonrise
23:26
Next moonset
15:23
Next events
Calendar →Aug 2011
29
New Moon
Not visible04:04 local · Mon, Mon 29 Aug · Moon -21°
Sept 2011
4
First Quarter Moon
Above horizon18:39 local · Sun, Sun 4 Sept · Moon 15°
Sept 2011
12
Full Moon
Below horizon10:27 local · Mon, Mon 12 Sept · Moon -30°
Sept 2011
20
Last Quarter Moon
Above horizon14:39 local · Tue, Tue 20 Sept · Moon 2°