First Quarter Moon
Tuesday, 18 March 1986 · 16:39 local in London
1986-03-18 16:39 UTC · Europe/London
First Quarter Moon occurs at 16:39 local time in London on 18 March. 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
61°
At the exact phase
Illumination
50%
First Quarter
Local date
18 Mar
1986
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 (61°) 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 16:39 local · NASA LRO surface
Next moonrise
09:55
Next moonset
03:16