First Quarter Moon
Tuesday, 4 September 1973 · 16:22 local in London
1973-09-04 15:22 UTC · Europe/London
First Quarter Moon occurs at 16:22 local time in London on 4 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
7°
At the exact phase
Illumination
50%
First Quarter
Local date
4 Sep
1973
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 (7°) 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 16:22 local · NASA LRO surface
Next moonrise
15:53
Next moonset
22:39
Next events
Calendar →Sept 1973
12
Full Moon
Below horizon16:16 local · Wed, Wed 12 Sept · Moon -23°
Sept 1973
19
Last Quarter Moon
Below horizon17:11 local · Wed, Wed 19 Sept · Moon -12°
Sept 1973
26
New Moon
Not visible14:54 local · Wed, Wed 26 Sept · Moon 25°
Oct 1973
4
First Quarter Moon
Below horizon11:32 local · Thu, Thu 4 Oct · Moon -30°