First Quarter Moon
Monday, 22 September 1947 · 06:42 local in London
1947-09-22 05:42 UTC · Europe/London
First Quarter Moon occurs at 06:42 local time in London on 22 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
-65°
At the exact phase
Illumination
50%
First Quarter
Local date
22 Sep
1947
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 06:42 local · NASA LRO surface
Next moonrise
15:47
Next moonset
22:47
Next events
Calendar →Sept 1947
30
Full Moon
Below horizon07:41 local · Tue, Tue 30 Sept · Moon -8°
Oct 1947
7
Last Quarter Moon
Above horizon11:29 local · Tue, Tue 7 Oct · Moon 33°
Oct 1947
14
New Moon
Not visible07:10 local · Tue, Tue 14 Oct · Moon -1°
Oct 1947
22
First Quarter Moon
Below horizon02:11 local · Wed, Wed 22 Oct · Moon -30°