First Quarter Moon
Monday, 23 December 1963 · 19:54 local in London
1963-12-23 19:54 UTC · Europe/London
First Quarter Moon occurs at 19:54 local time in London on 23 December. 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
29°
At the exact phase
Illumination
50%
First Quarter
Local date
23 Dec
1963
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
Above the horizon (29°) at the exact moment.
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 19:54 local · NASA LRO surface
Next moonrise
12:43
Next moonset
23:56
Next events
Calendar →Dec 1963
30
Full Moon
Below horizon11:04 local · Mon, Mon 30 Dec · Moon -15°
Jan 1964
6
Last Quarter Moon
Below horizon15:58 local · Mon, Mon 6 Jan · Moon -34°
Jan 1964
14
New Moon
Not visible20:44 local · Tue, Tue 14 Jan · Moon -41°
Jan 1964
22
First Quarter Moon
Below horizon05:29 local · Wed, Wed 22 Jan · Moon -31°