First Quarter Moon
Sunday, 23 August 2099 · 01:01 local in London
2099-08-23 00:01 UTC · Europe/London
First Quarter Moon occurs at 01:01 local time in London on 23 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
-22°
At the exact phase
Illumination
50%
First Quarter
Local date
23 Aug
2099
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 01:01 local · NASA LRO surface
Next moonrise
15:53
Next moonset
22:48
Next events
Calendar →Aug 2099
30
Full Moon
Below horizon18:56 local · Sun, Sun 30 Aug · Moon -9°
Sept 2099
7
Last Quarter Moon
Above horizon22:18 local · Mon, Mon 7 Sept · Moon 1°
Sept 2099
14
New Moon
Not visible17:51 local · Mon, Mon 14 Sept · Moon 12°
Sept 2099
21
First Quarter Moon
Below horizon10:48 local · Mon, Mon 21 Sept · Moon -41°