First Quarter Moon
Monday, 10 December 2040 · 23:30 local in London
2040-12-10 23:30 UTC · Europe/London
First Quarter Moon occurs at 23:30 local time in London on 10 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
-1°
At the exact phase
Illumination
50%
First Quarter
Local date
10 Dec
2040
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 23:30 local · orientation schematic
Next moonrise
13:00
Next moonset
00:44
Next events
Calendar →Dec 2040
18
Full Moon
Below horizon12:16 local · Tue, Tue 18 Dec · Moon -12°
Dec 2040
26
Last Quarter Moon
Below horizon17:02 local · Wed, Wed 26 Dec · Moon -36°
Jan 2041
2
New Moon
Not visible19:08 local · Wed, Wed 2 Jan · Moon -30°
Jan 2041
9
First Quarter Moon
Below horizon10:06 local · Wed, Wed 9 Jan · Moon -13°