First Quarter Moon
Thursday, 31 May 1990 · 09:11 local in London
1990-05-31 08:11 UTC · Europe/London
First Quarter Moon occurs at 09:11 local time in London on 31 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
-27°
At the exact phase
Illumination
50%
First Quarter
Local date
31 May
1990
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 09:11 local · NASA LRO surface
Next moonrise
12:50
Next moonset
01:43
Next events
Calendar →Jun 1990
8
Full Moon
Below horizon12:01 local · Fri, Fri 8 Jun · Moon -63°
Jun 1990
16
Last Quarter Moon
Above horizon05:48 local · Sat, Sat 16 Jun · Moon 37°
Jun 1990
22
New Moon
Not visible19:55 local · Fri, Fri 22 Jun · Moon 12°
Jun 1990
29
First Quarter Moon
Above horizon23:08 local · Fri, Fri 29 Jun · Moon 9°