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Lunar phaseBelow horizon at event timeDefault location · London

First Quarter Moon

Saturday, 4 July 1987 · 09:34 local in London

1987-07-04 08:34 UTC · Europe/London

First Quarter Moon occurs at 09:34 local time in London on 4 July. 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

-34°

At the exact phase

Illumination

50%

First Quarter

Local date

4 Jul

1987

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