First Quarter Moon
Wednesday, 10 August 1921 · 15:13 local in London
1921-08-10 14:13 UTC · Europe/London
First Quarter Moon occurs at 15:13 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
8°
At the exact phase
Illumination
50%
First Quarter
Local date
10 Aug
1921
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 (8°) 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 15:13 local · NASA LRO surface
Next moonrise
15:08
Next moonset
23:42
Next events
Calendar →Aug 1921
18
Full Moon
Below horizon16:28 local · Thu, Thu 18 Aug · Moon -30°
Aug 1921
26
Last Quarter Moon
Above horizon13:51 local · Fri, Fri 26 Aug · Moon 3°
Sept 1921
2
New Moon
Not visible04:33 local · Fri, Fri 2 Sept · Moon -17°
Sept 1921
9
First Quarter Moon
Below horizon04:29 local · Fri, Fri 9 Sept · Moon -47°