First Quarter Moon
Saturday, 25 December 1971 · 01:35 local in London
1971-12-25 01:35 UTC · Europe/London
First Quarter Moon occurs at 01:35 local time in London on 25 December. 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
25 Dec
1971
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 01:35 local · NASA LRO surface
Next moonrise
11:33
Next moonset
01:35
Next events
Calendar →Dec 1971
31
Full Moon
Above horizon20:20 local · Fri, Fri 31 Dec · Moon 40°
Jan 1972
8
Last Quarter Moon
Below horizon13:31 local · Sat, Sat 8 Jan · Moon -25°
Jan 1972
16
New Moon
Not visible10:53 local · Sun, Sun 16 Jan · Moon 14°
Jan 1972
23
First Quarter Moon
Below horizon09:29 local · Sun, Sun 23 Jan · Moon -6°