First Quarter Moon
Tuesday, 21 September 2004 · 16:54 local in London
2004-09-21 15:54 UTC · Europe/London
First Quarter Moon occurs at 16:54 local time in London on 21 September. 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
6°
At the exact phase
Illumination
50%
First Quarter
Local date
21 Sep
2004
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 (6°) 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 16:54 local · NASA LRO surface
Next moonrise
16:38
Next moonset
22:17
Next events
Calendar →Sept 2004
28
Full Moon
Below horizon14:09 local · Tue, Tue 28 Sept · Moon -36°
Oct 2004
6
Last Quarter Moon
Above horizon11:12 local · Wed, Wed 6 Oct · Moon 37°
Oct 2004
14
New Moon
Not visible03:48 local · Thu, Thu 14 Oct · Moon -33°
Oct 2004
20
First Quarter Moon
Below horizon22:59 local · Wed, Wed 20 Oct · Moon -3°