First Quarter Moon
Sunday, 17 March 1940 · 04:25 local in London
1940-03-17 03:25 UTC · Europe/London
First Quarter Moon occurs at 04:25 local time in London on 17 March. 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
17 Mar
1940
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 04:25 local · NASA LRO surface
Next moonrise
11:44
Next moonset
03:32
Next events
Calendar →Mar 1940
23
Full Moon
Above horizon20:33 local · Sat, Sat 23 Mar · Moon 11°
Mar 1940
30
Last Quarter Moon
Below horizon17:20 local · Sat, Sat 30 Mar · Moon -50°
Apr 1940
7
New Moon
Not visible21:19 local · Sun, Sun 7 Apr · Moon -15°
Apr 1940
15
First Quarter Moon
Above horizon14:46 local · Mon, Mon 15 Apr · Moon 26°