First Quarter Moon
Wednesday, 11 August 1948 · 20:40 local in London
1948-08-11 19:40 UTC · Europe/London
First Quarter Moon occurs at 20:40 local time in London on 11 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
15°
At the exact phase
Illumination
50%
First Quarter
Local date
11 Aug
1948
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 (15°) 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 20:40 local · NASA LRO surface
Next moonrise
15:24
Next moonset
23:07
Next events
Calendar →Aug 1948
19
Full Moon
Below horizon18:32 local · Thu, Thu 19 Aug · Moon -20°
Aug 1948
27
Last Quarter Moon
Below horizon19:46 local · Fri, Fri 27 Aug · Moon -14°
Sept 1948
3
New Moon
Not visible12:21 local · Fri, Fri 3 Sept · Moon 48°
Sept 1948
10
First Quarter Moon
Below horizon08:05 local · Fri, Fri 10 Sept · Moon -61°