First Quarter Moon
Friday, 9 September 1921 · 04:29 local in London
1921-09-09 03:29 UTC · Europe/London
First Quarter Moon occurs at 04:29 local time in London on 9 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
-47°
At the exact phase
Illumination
50%
First Quarter
Local date
9 Sep
1921
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 04:29 local · NASA LRO surface
Next moonrise
14:52
Next moonset
23:48
Next events
Calendar →Sept 1921
17
Full Moon
Below horizon08:20 local · Sat, Sat 17 Sept · Moon -14°
Sept 1921
24
Last Quarter Moon
Below horizon22:17 local · Sat, Sat 24 Sept · Moon -7°
Oct 1921
1
New Moon
Not visible13:26 local · Sat, Sat 1 Oct · Moon 33°
Oct 1921
8
First Quarter Moon
Above horizon20:12 local · Sat, Sat 8 Oct · Moon 14°