First Quarter Moon
Thursday, 31 August 1911 · 16:21 local in London
1911-08-31 16:21 UTC · Europe/London
First Quarter Moon occurs at 16:21 local time in London on 31 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
31 Aug
1911
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 (11°) 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 16:21 local · NASA LRO surface
Next moonrise
15:06
Next moonset
21:30
Next events
Calendar →Sept 1911
8
Full Moon
Below horizon15:56 local · Fri, Fri 8 Sept · Moon -27°
Sept 1911
15
Last Quarter Moon
Below horizon17:51 local · Fri, Fri 15 Sept · Moon -12°
Sept 1911
22
New Moon
Not visible14:37 local · Fri, Fri 22 Sept · Moon 31°
Sept 1911
30
First Quarter Moon
Below horizon11:08 local · Sat, Sat 30 Sept · Moon -29°