First Quarter Moon
Tuesday, 15 October 1991 · 18:33 local in London
1991-10-15 17:33 UTC · Europe/London
First Quarter Moon occurs at 18:33 local time in London on 15 October. 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
17°
At the exact phase
Illumination
50%
First Quarter
Local date
15 Oct
1991
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
Above the horizon (17°) at the exact moment.
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 18:33 local · NASA LRO surface
Next moonrise
15:15
Next moonset
23:16
Next events
Calendar →Oct 1991
23
Full Moon
Below horizon12:08 local · Wed, Wed 23 Oct · Moon -23°
Oct 1991
30
Last Quarter Moon
Above horizon07:11 local · Wed, Wed 30 Oct · Moon 52°
Nov 1991
6
New Moon
Not visible11:11 local · Wed, Wed 6 Nov · Moon 17°
Nov 1991
14
First Quarter Moon
Above horizon14:02 local · Thu, Thu 14 Nov · Moon 8°