First Quarter Moon
Tuesday, 21 April 2105 · 10:18 local in London
2105-04-21 09:18 UTC · Europe/London
First Quarter Moon occurs at 10:18 local time in London on 21 April. 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
-12°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Apr
2105
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 10:18 local · NASA LRO surface
Next moonrise
11:55
Next moonset
02:53
Next events
Calendar →Apr 2105
29
Full Moon
Below horizon07:13 local · Wed, Wed 29 Apr · Moon -16°
May 2105
7
Last Quarter Moon
Above horizon09:12 local · Thu, Thu 7 May · Moon 21°
May 2105
14
New Moon
Not visible02:37 local · Thu, Thu 14 May · Moon -16°
May 2105
20
First Quarter Moon
Above horizon21:18 local · Wed, Wed 20 May · Moon 37°