First Quarter Moon
Friday, 12 September 2138 · 09:22 local in London
2138-09-12 08:22 UTC · Europe/London
First Quarter Moon occurs at 09:22 local time in London on 12 September. 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
-53°
At the exact phase
Illumination
50%
First Quarter
Local date
12 Sep
2138
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 09:22 local · NASA LRO surface
Next moonrise
15:51
Next moonset
22:32
Next events
Calendar →Sept 2138
19
Full Moon
Above horizon00:36 local · Fri, Fri 19 Sept · Moon 39°
Sept 2138
26
Last Quarter Moon
Above horizon01:09 local · Fri, Fri 26 Sept · Moon 23°
Oct 2138
4
New Moon
Not visible06:04 local · Sat, Sat 4 Oct · Moon -13°
Oct 2138
11
First Quarter Moon
Above horizon17:50 local · Sat, Sat 11 Oct · Moon 11°