Last Quarter Moon
Friday, 23 August 2171 · 17:19 local in London
2171-08-23 16:19 UTC · Europe/London
Last Quarter Moon occurs at 17:19 local time in London on 23 August. Half of the visible disc is lit on the opposite side from first quarter. Morning observers get the best view of the terminator.
Moon altitude
-15°
At the exact phase
Illumination
50%
Last Quarter
Local date
23 Aug
2171
Viewing tips
- Best viewing is after midnight and into the morning.
- The terminator favours craters on the opposite side from first quarter.
- Twilight can still give a pleasing low-contrast view.
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
Last Quarter · 50% lit
Phase at 17:19 local · NASA LRO surface
Next moonrise
22:51
Next moonset
15:47
Next events
Calendar →Aug 2171
31
New Moon
Not visible07:20 local · Sat, Sat 31 Aug · Moon 11°
Sept 2171
7
First Quarter Moon
Below horizon01:16 local · Sat, Sat 7 Sept · Moon -24°
Sept 2171
14
Full Moon
Below horizon07:32 local · Sat, Sat 14 Sept · Moon -11°
Sept 2171
22
Last Quarter Moon
Above horizon11:10 local · Sun, Sun 22 Sept · Moon 36°