First Quarter Moon
Sunday, 15 August 2021 · 16:20 local in London
2021-08-15 15:20 UTC · Europe/London
First Quarter Moon occurs at 16:20 local time in London on 15 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
15 Aug
2021
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 16:20 local · orientation schematic
Next moonrise
15:38
Next moonset
23:21
Next events
Calendar →Aug 2021
22
Full Moon
Below horizon13:02 local · Sun, Sun 22 Aug · Moon -55°
Aug 2021
30
Last Quarter Moon
Above horizon08:13 local · Mon, Mon 30 Aug · Moon 55°
Sept 2021
7
New Moon
Not visible01:52 local · Tue, Tue 7 Sept · Moon -27°
Sept 2021
13
First Quarter Moon
Above horizon21:39 local · Mon, Mon 13 Sept · Moon 4°