First Quarter Moon
Wednesday, 21 April 2010 · 19:20 local in London
2010-04-21 18:20 UTC · Europe/London
First Quarter Moon occurs at 19:20 local time in London on 21 April. 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
56°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Apr
2010
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 (56°) 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 19:20 local · orientation schematic
Next moonrise
12:34
Next moonset
03:01
Next events
Calendar →Apr 2010
28
Full Moon
Below horizon13:19 local · Wed, Wed 28 Apr · Moon -57°
May 2010
6
Last Quarter Moon
Above horizon05:15 local · Thu, Thu 6 May · Moon 19°
May 2010
14
New Moon
Not visible02:05 local · Fri, Fri 14 May · Moon -15°
May 2010
21
First Quarter Moon
Above horizon00:43 local · Fri, Fri 21 May · Moon 9°