First Quarter Moon
Tuesday, 23 October 1917 · 14:37 local in London
1917-10-23 14:37 UTC · Europe/London
First Quarter Moon occurs at 14:37 local time in London on 23 October. 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
7°
At the exact phase
Illumination
50%
First Quarter
Local date
23 Oct
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
Above the horizon (7°) 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 14:37 local · NASA LRO surface
Next moonrise
14:02
Next moonset
22:48
Next events
Calendar →Oct 1917
30
Full Moon
Above horizon06:19 local · Tue, Tue 30 Oct · Moon 7°
Nov 1917
6
Last Quarter Moon
Below horizon17:03 local · Tue, Tue 6 Nov · Moon -24°
Nov 1917
14
New Moon
Not visible18:28 local · Wed, Wed 14 Nov · Moon -24°
Nov 1917
21
First Quarter Moon
Above horizon22:29 local · Wed, Wed 21 Nov · Moon 7°