First Quarter Moon
Tuesday, 23 August 1966 · 04:02 local in London
1966-08-23 03:02 UTC · Europe/London
First Quarter Moon occurs at 04:02 local time in London on 23 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
-46°
At the exact phase
Illumination
50%
First Quarter
Local date
23 Aug
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 04:02 local · NASA LRO surface
Next moonrise
15:16
Next moonset
23:11
Next events
Calendar →Aug 1966
31
Full Moon
Above horizon01:14 local · Wed, Wed 31 Aug · Moon 24°
Sept 1966
8
Last Quarter Moon
Above horizon03:07 local · Thu, Thu 8 Sept · Moon 40°
Sept 1966
14
New Moon
Not visible20:13 local · Wed, Wed 14 Sept · Moon -6°
Sept 1966
21
First Quarter Moon
Below horizon15:25 local · Wed, Wed 21 Sept · Moon -1°