First Quarter Moon
Friday, 10 August 1951 · 13:23 local in London
1951-08-10 12:23 UTC · Europe/London
First Quarter Moon occurs at 13:23 local time in London on 10 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
-11°
At the exact phase
Illumination
50%
First Quarter
Local date
10 Aug
1951
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
Below the horizon at the exact moment — look near moonrise or moonset.
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 13:23 local · NASA LRO surface
Next moonrise
14:45
Next moonset
22:49
Next events
Calendar →Aug 1951
17
Full Moon
Above horizon03:59 local · Fri, Fri 17 Aug · Moon 13°
Aug 1951
24
Last Quarter Moon
Above horizon11:20 local · Fri, Fri 24 Aug · Moon 31°
Sept 1951
1
New Moon
Not visible13:50 local · Sat, Sat 1 Sept · Moon 45°
Sept 1951
8
First Quarter Moon
Above horizon19:16 local · Sat, Sat 8 Sept · Moon 9°