First Quarter Moon
Thursday, 27 August 2009 · 12:42 local in London
2009-08-27 11:42 UTC · Europe/London
First Quarter Moon occurs at 12:42 local time in London on 27 August. 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
-20°
At the exact phase
Illumination
50%
First Quarter
Local date
27 Aug
2009
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 12:42 local · NASA LRO surface
Next moonrise
15:16
Next moonset
22:32
Next events
Calendar →Sept 2009
4
Full Moon
Below horizon17:03 local · Fri, Fri 4 Sept · Moon -20°
Sept 2009
12
Last Quarter Moon
Above horizon03:16 local · Sat, Sat 12 Sept · Moon 42°
Sept 2009
18
New Moon
Not visible19:44 local · Fri, Fri 18 Sept · Moon -11°
Sept 2009
26
First Quarter Moon
Below horizon05:50 local · Sat, Sat 26 Sept · Moon -62°