First Quarter Moon
Wednesday, 17 December 2121 · 04:05 local in London
2121-12-17 04:05 UTC · Europe/London
First Quarter Moon occurs at 04:05 local time in London on 17 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
-32°
At the exact phase
Illumination
50%
First Quarter
Local date
17 Dec
2121
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 04:05 local · NASA LRO surface
Next moonrise
11:45
Next moonset
01:12
Next events
Calendar →Dec 2121
24
Full Moon
Above horizon01:05 local · Wed, Wed 24 Dec · Moon 60°
Dec 2121
31
Last Quarter Moon
Below horizon21:17 local · Wed, Wed 31 Dec · Moon -30°
Jan 2122
8
New Moon
Not visible15:48 local · Thu, Thu 8 Jan · Moon 1°
Jan 2122
15
First Quarter Moon
Above horizon11:53 local · Thu, Thu 15 Jan · Moon 11°