First Quarter Moon
Saturday, 18 December 1920 · 14:40 local in London
1920-12-18 14:40 UTC · Europe/London
First Quarter Moon occurs at 14:40 local time in London on 18 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
25°
At the exact phase
Illumination
50%
First Quarter
Local date
18 Dec
1920
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 (25°) 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 14:40 local · NASA LRO surface
Next moonrise
12:08
Next moonset
00:28
Next events
Calendar →Dec 1920
25
Full Moon
Below horizon12:38 local · Sat, Sat 25 Dec · Moon -19°
Jan 1921
1
Last Quarter Moon
Above horizon04:35 local · Sat, Sat 1 Jan · Moon 29°
Jan 1921
9
New Moon
Not visible05:27 local · Sun, Sun 9 Jan · Moon -20°
Jan 1921
17
First Quarter Moon
Below horizon06:31 local · Mon, Mon 17 Jan · Moon -28°