First Quarter Moon
Friday, 21 July 1961 · 00:13 local in London
1961-07-20 23:13 UTC · Europe/London
First Quarter Moon occurs at 00:13 local time in London on 21 July. 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
1°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Jul
1961
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 (1°) 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 00:13 local · NASA LRO surface
Next moonrise
14:08
Next moonset
00:23