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Lunar phaseAbove horizon at event timeDefault location · London

First Quarter Moon

Sunday, 4 August 1946 · 21:56 local in London

1946-08-04 20:56 UTC · Europe/London

First Quarter Moon occurs at 21:56 local time in London on 4 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

14°

At the exact phase

Illumination

50%

First Quarter

Local date

4 Aug

1946

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 (14°) 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