First Quarter Moon
Tuesday, 21 August 2007 · 00:54 local in London
2007-08-20 23:54 UTC · Europe/London
First Quarter Moon occurs at 00:54 local time in London on 21 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
-22°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Aug
2007
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 00:54 local · NASA LRO surface
Next moonrise
15:45
Next moonset
22:44
Next events
Calendar →Aug 2007
28
Full Moon
Below horizon11:35 local · Tue, Tue 28 Aug · Moon -45°
Sept 2007
4
Last Quarter Moon
Above horizon03:32 local · Tue, Tue 4 Sept · Moon 46°
Sept 2007
11
New Moon
Not visible13:44 local · Tue, Tue 11 Sept · Moon 40°
Sept 2007
19
First Quarter Moon
Above horizon17:48 local · Wed, Wed 19 Sept · Moon 8°