First Quarter Moon
Monday, 12 December 1983 · 13:09 local in London
1983-12-12 13:09 UTC · Europe/London
First Quarter Moon occurs at 13:09 local time in London on 12 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
2°
At the exact phase
Illumination
50%
First Quarter
Local date
12 Dec
1983
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 (2°) 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 13:09 local · NASA LRO surface
Next moonrise
13:09
Next moonset
23:52
Next events
Calendar →Dec 1983
20
Full Moon
Above horizon02:00 local · Tue, Tue 20 Dec · Moon 54°
Dec 1983
26
Last Quarter Moon
Below horizon18:53 local · Mon, Mon 26 Dec · Moon -35°
Jan 1984
3
New Moon
Not visible05:16 local · Tue, Tue 3 Jan · Moon -27°
Jan 1984
11
First Quarter Moon
Below horizon09:49 local · Wed, Wed 11 Jan · Moon -17°