First Quarter Moon
Sunday, 24 May 1931 · 20:39 local in London
1931-05-24 19:39 UTC · Europe/London
First Quarter Moon occurs at 20:39 local time in London on 24 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
48°
At the exact phase
Illumination
50%
First Quarter
Local date
24 May
1931
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 (48°) 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 20:39 local · NASA LRO surface
Next moonrise
13:04
Next moonset
02:31
Next events
Calendar →May 1931
31
Full Moon
Below horizon15:33 local · Sun, Sun 31 May · Moon -51°
Jun 1931
8
Last Quarter Moon
Above horizon07:18 local · Mon, Mon 8 Jun · Moon 30°
Jun 1931
16
New Moon
Not visible04:02 local · Tue, Tue 16 Jun · Moon -1°
Jun 1931
23
First Quarter Moon
Below horizon01:23 local · Tue, Tue 23 Jun · Moon -3°