First Quarter Moon
Saturday, 17 December 2140 · 07:15 local in London
2140-12-17 07:15 UTC · Europe/London
First Quarter Moon occurs at 07:15 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
-33°
At the exact phase
Illumination
50%
First Quarter
Local date
17 Dec
2140
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 07:15 local · NASA LRO surface
Next moonrise
11:39
Next moonset
01:00
Next events
Calendar →Dec 2140
23
Full Moon
Above horizon22:20 local · Fri, Fri 23 Dec · Moon 56°
Dec 2140
31
Last Quarter Moon
Above horizon01:05 local · Sat, Sat 31 Dec · Moon 4°
Jan 2141
8
New Moon
Not visible06:19 local · Sun, Sun 8 Jan · Moon -15°
Jan 2141
15
First Quarter Moon
Above horizon17:23 local · Sun, Sun 15 Jan · Moon 52°