First Quarter Moon
Saturday, 17 December 1977 · 10:37 local in London
1977-12-17 10:37 UTC · Europe/London
First Quarter Moon occurs at 10:37 local time in London on 17 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
-13°
At the exact phase
Illumination
50%
First Quarter
Local date
17 Dec
1977
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 10:37 local · NASA LRO surface
Next moonrise
12:02
Next moonset
00:32
Next events
Calendar →Dec 1977
25
Full Moon
Below horizon12:49 local · Sun, Sun 25 Dec · Moon -20°
Jan 1978
2
Last Quarter Moon
Below horizon12:07 local · Mon, Mon 2 Jan · Moon -6°
Jan 1978
9
New Moon
Not visible04:00 local · Mon, Mon 9 Jan · Moon -33°
Jan 1978
16
First Quarter Moon
Below horizon03:03 local · Mon, Mon 16 Jan · Moon -20°