First Quarter Moon
Tuesday, 20 April 2021 · 07:59 local in London
2021-04-20 06:59 UTC · Europe/London
First Quarter Moon occurs at 07:59 local time in London on 20 April. 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
-14°
At the exact phase
Illumination
50%
First Quarter
Local date
20 Apr
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
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 07:59 local · orientation schematic
Next moonrise
11:14
Next moonset
04:01
Next events
Calendar →Apr 2021
27
Full Moon
Above horizon04:32 local · Tue, Tue 27 Apr · Moon 12°
May 2021
3
Last Quarter Moon
Below horizon20:50 local · Mon, Mon 3 May · Moon -55°
May 2021
11
New Moon
Not visible20:00 local · Tue, Tue 11 May · Moon 3°
May 2021
19
First Quarter Moon
Above horizon20:13 local · Wed, Wed 19 May · Moon 53°