First Quarter Moon
Thursday, 20 September 2091 · 01:10 local in London
2091-09-20 00:10 UTC · Europe/London
First Quarter Moon occurs at 01:10 local time in London on 20 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
-18°
At the exact phase
Illumination
50%
First Quarter
Local date
20 Sep
2091
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 01:10 local · NASA LRO surface
Next moonrise
15:06
Next moonset
00:00
Next events
Calendar →Sept 2091
27
Full Moon
Below horizon16:56 local · Thu, Thu 27 Sept · Moon -19°
Oct 2091
5
Last Quarter Moon
Below horizon20:53 local · Fri, Fri 5 Oct · Moon -15°
Oct 2091
12
New Moon
Not visible19:29 local · Fri, Fri 12 Oct · Moon -9°
Oct 2091
19
First Quarter Moon
Below horizon10:50 local · Fri, Fri 19 Oct · Moon -34°