First Quarter Moon
Thursday, 20 December 1928 · 03:43 local in London
1928-12-20 03:43 UTC · Europe/London
First Quarter Moon occurs at 03:43 local time in London on 20 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
-35°
At the exact phase
Illumination
50%
First Quarter
Local date
20 Dec
1928
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 03:43 local · NASA LRO surface
Next moonrise
12:38
Next moonset
00:45
Next events
Calendar →Dec 1928
26
Full Moon
Above horizon19:55 local · Wed, Wed 26 Dec · Moon 37°
Jan 1929
2
Last Quarter Moon
Below horizon18:44 local · Wed, Wed 2 Jan · Moon -39°
Jan 1929
11
New Moon
Not visible00:28 local · Fri, Fri 11 Jan · Moon -64°
Jan 1929
18
First Quarter Moon
Above horizon15:15 local · Fri, Fri 18 Jan · Moon 35°