First Quarter Moon
Tuesday, 20 April 2173 · 07:02 local in London
2173-04-20 06:02 UTC · Europe/London
First Quarter Moon occurs at 07:02 local time in London on 20 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
-14°
At the exact phase
Illumination
50%
First Quarter
Local date
20 Apr
2173
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 07:02 local · NASA LRO surface
Next moonrise
11:11
Next moonset
04:02
Next events
Calendar →Apr 2173
28
Full Moon
Above horizon00:20 local · Wed, Wed 28 Apr · Moon 21°
May 2173
4
Last Quarter Moon
Below horizon18:52 local · Tue, Tue 4 May · Moon -59°
May 2173
11
New Moon
Not visible23:36 local · Tue, Tue 11 May · Moon -16°
May 2173
20
First Quarter Moon
Above horizon01:09 local · Thu, Thu 20 May · Moon 12°