First Quarter Moon
Wednesday, 9 May 1973 · 13:07 local in London
1973-05-09 12:07 UTC · Europe/London
First Quarter Moon occurs at 13:07 local time in London on 9 May. 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
8°
At the exact phase
Illumination
50%
First Quarter
Local date
9 May
1973
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 (8°) 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 13:07 local · NASA LRO surface
Next moonrise
13:25
Next moonset
02:24