First Quarter Moon
Monday, 24 September 1917 · 05:41 local in London
1917-09-24 05:41 UTC · Europe/London
First Quarter Moon occurs at 05:41 local time in London on 24 September. 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
-63°
At the exact phase
Illumination
50%
First Quarter
Local date
24 Sep
1917
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 05:41 local · NASA LRO surface
Next moonrise
14:26
Next moonset
22:22
Next events
Calendar →Sept 1917
30
Full Moon
Above horizon20:31 local · Sun, Sun 30 Sept · Moon 30°
Oct 1917
7
Last Quarter Moon
Above horizon22:14 local · Sun, Sun 7 Oct · Moon 2°
Oct 1917
16
New Moon
Not visible02:41 local · Tue, Tue 16 Oct · Moon -37°
Oct 1917
23
First Quarter Moon
Above horizon14:37 local · Tue, Tue 23 Oct · Moon 7°