First Quarter Moon
Monday, 21 September 2015 · 09:59 local in London
2015-09-21 08:59 UTC · Europe/London
First Quarter Moon occurs at 09:59 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
2015
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 09:59 local · orientation schematic
Next moonrise
14:40
Next moonset
23:44
Next events
Calendar →Sept 2015
28
Full Moon
Above horizon03:51 local · Mon, Mon 28 Sept · Moon 27°
Oct 2015
4
Last Quarter Moon
Below horizon22:06 local · Sun, Sun 4 Oct · Moon -9°
Oct 2015
13
New Moon
Not visible01:06 local · Tue, Tue 13 Oct · Moon -45°
Oct 2015
20
First Quarter Moon
Above horizon21:31 local · Tue, Tue 20 Oct · Moon 14°