First Quarter Moon
Monday, 10 August 2122 · 11:15 local in London
2122-08-10 10:15 UTC · Europe/London
First Quarter Moon occurs at 11:15 local time in London on 10 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
-30°
At the exact phase
Illumination
50%
First Quarter
Local date
10 Aug
2122
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 11:15 local · NASA LRO surface
Next moonrise
14:45
Next moonset
23:02
Next events
Calendar →Aug 2122
18
Full Moon
Above horizon01:00 local · Tue, Tue 18 Aug · Moon 28°
Aug 2122
24
Last Quarter Moon
Below horizon17:33 local · Mon, Mon 24 Aug · Moon -14°
Sept 2122
1
New Moon
Not visible01:23 local · Tue, Tue 1 Sept · Moon -34°
Sept 2122
9
First Quarter Moon
Below horizon04:37 local · Wed, Wed 9 Sept · Moon -53°