First Quarter Moon
Monday, 21 September 2099 · 10:48 local in London
2099-09-21 09:48 UTC · Europe/London
First Quarter Moon occurs at 10:48 local time in London on 21 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
-41°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Sep
2099
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 10:48 local · NASA LRO surface
Next moonrise
15:59
Next moonset
22:25
Next events
Calendar →Sept 2099
29
Full Moon
Below horizon11:46 local · Tue, Tue 29 Sept · Moon -34°
Oct 2099
7
Last Quarter Moon
Above horizon10:21 local · Wed, Wed 7 Oct · Moon 45°
Oct 2099
14
New Moon
Not visible02:32 local · Wed, Wed 14 Oct · Moon -43°
Oct 2099
21
First Quarter Moon
Below horizon00:27 local · Wed, Wed 21 Oct · Moon -14°