First Quarter Moon
Wednesday, 21 September 1966 · 15:25 local in London
1966-09-21 14:25 UTC · Europe/London
First Quarter Moon occurs at 15:25 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
-1°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Sep
1966
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 15:25 local · NASA LRO surface
Next moonrise
15:31
Next moonset
22:27
Next events
Calendar →Sept 1966
29
Full Moon
Below horizon17:47 local · Thu, Thu 29 Sept · Moon -11°
Oct 1966
7
Last Quarter Moon
Above horizon14:08 local · Fri, Fri 7 Oct · Moon 10°
Oct 1966
14
New Moon
Not visible04:52 local · Fri, Fri 14 Oct · Moon -23°
Oct 1966
21
First Quarter Moon
Below horizon06:35 local · Fri, Fri 21 Oct · Moon -64°