First Quarter Moon
Saturday, 20 August 2140 · 17:35 local in London
2140-08-20 16:35 UTC · Europe/London
First Quarter Moon occurs at 17:35 local time in London on 20 August. 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
20 Aug
2140
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 (13°) 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 17:35 local · NASA LRO surface
Next moonrise
15:50
Next moonset
22:36
Next events
Calendar →Aug 2140
28
Full Moon
Below horizon08:23 local · Sun, Sun 28 Aug · Moon -18°
Sept 2140
4
Last Quarter Moon
Above horizon01:28 local · Sun, Sun 4 Sept · Moon 25°
Sept 2140
11
New Moon
Not visible08:27 local · Sun, Sun 11 Sept · Moon 14°
Sept 2140
19
First Quarter Moon
Below horizon11:26 local · Mon, Mon 19 Sept · Moon -33°