First Quarter Moon
Tuesday, 10 May 2011 · 21:33 local in London
2011-05-10 20:33 UTC · Europe/London
First Quarter Moon occurs at 21:33 local time in London on 10 May. 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
39°
At the exact phase
Illumination
50%
First Quarter
Local date
10 May
2011
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 (39°) 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 21:33 local · orientation schematic
Next moonrise
13:05
Next moonset
02:09
Next events
Calendar →May 2011
17
Full Moon
Below horizon12:09 local · Tue, Tue 17 May · Moon -59°
May 2011
24
Last Quarter Moon
Below horizon19:52 local · Tue, Tue 24 May · Moon -43°
Jun 2011
1
New Moon
Not visible22:03 local · Wed, Wed 1 Jun · Moon -6°
Jun 2011
9
First Quarter Moon
Below horizon03:11 local · Thu, Thu 9 Jun · Moon -20°