First Quarter Moon
Wednesday, 31 August 2101 · 22:44 local in London
2101-08-31 21:44 UTC · Europe/London
First Quarter Moon occurs at 22:44 local time in London on 31 August. 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
-5°
At the exact phase
Illumination
50%
First Quarter
Local date
31 Aug
2101
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 22:44 local · NASA LRO surface
Next moonrise
16:12
Next moonset
22:58
Next events
Calendar →Sept 2101
7
Full Moon
Above horizon19:21 local · Wed, Wed 7 Sept · Moon 1°
Sept 2101
15
Last Quarter Moon
Above horizon13:59 local · Thu, Thu 15 Sept · Moon 11°
Sept 2101
23
New Moon
Not visible08:41 local · Fri, Fri 23 Sept · Moon 14°
Sept 2101
30
First Quarter Moon
Below horizon04:11 local · Fri, Fri 30 Sept · Moon -51°