First Quarter Moon
Monday, 23 May 1988 · 17:49 local in London
1988-05-23 16:49 UTC · Europe/London
First Quarter Moon occurs at 17:49 local time in London on 23 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
46°
At the exact phase
Illumination
50%
First Quarter
Local date
23 May
1988
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 (46°) 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 17:49 local · NASA LRO surface
Next moonrise
13:08
Next moonset
02:20
Next events
Calendar →May 1988
31
Full Moon
Below horizon11:54 local · Tue, Tue 31 May · Moon -63°
Jun 1988
7
Last Quarter Moon
Above horizon07:22 local · Tue, Tue 7 Jun · Moon 32°
Jun 1988
14
New Moon
Not visible10:14 local · Tue, Tue 14 Jun · Moon 51°
Jun 1988
22
First Quarter Moon
Below horizon11:23 local · Wed, Wed 22 Jun · Moon -16°