First Quarter Moon
Monday, 24 September 2001 · 10:31 local in London
2001-09-24 09:31 UTC · Europe/London
First Quarter Moon occurs at 10:31 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
-40°
At the exact phase
Illumination
50%
First Quarter
Local date
24 Sep
2001
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 10:31 local · NASA LRO surface
Next moonrise
15:17
Next moonset
23:04
Next events
Calendar →Oct 2001
2
Full Moon
Below horizon14:49 local · Tue, Tue 2 Oct · Moon -34°
Oct 2001
10
Last Quarter Moon
Above horizon05:20 local · Wed, Wed 10 Oct · Moon 56°
Oct 2001
16
New Moon
Not visible20:23 local · Tue, Tue 16 Oct · Moon -18°
Oct 2001
24
First Quarter Moon
Below horizon03:59 local · Wed, Wed 24 Oct · Moon -45°