First Quarter Moon
Saturday, 22 August 2015 · 20:31 local in London
2015-08-22 19:31 UTC · Europe/London
First Quarter Moon occurs at 20:31 local time in London on 22 August. Half of the visible disc is lit, and the terminator cuts across the middle. Long shadows make craters along the dividing line stand out.
Moon altitude
18°
At the exact phase
Illumination
50%
First Quarter
Local date
22 Aug
2015
Viewing tips
- Look along the terminator for the strongest crater shadows.
- The Moon is highest in the evening during this phase.
- Binoculars are enough to see major craters and maria.
Visibility, honestly
Above the horizon (18°) 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
First Quarter · 50% lit
Phase at 20:31 local · orientation schematic
Next moonrise
14:58
Next moonset
23:31
Next events
Calendar →Aug 2015
29
Full Moon
Below horizon19:35 local · Sat, Sat 29 Aug · Moon 0°
Sept 2015
5
Last Quarter Moon
Above horizon10:54 local · Sat, Sat 5 Sept · Moon 31°
Sept 2015
13
New Moon
Not visible07:41 local · Sun, Sun 13 Sept · Moon 9°
Sept 2015
21
First Quarter Moon
Below horizon09:59 local · Mon, Mon 21 Sept · Moon -41°