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Lunar phaseAbove horizon at event timeDefault location · London

First Quarter Moon

Friday, 20 March 1964 · 20:39 local in London

1964-03-20 20:39 UTC · Europe/London

First Quarter Moon occurs at 20:39 local time in London on 20 March. 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

49°

At the exact phase

Illumination

50%

First Quarter

Local date

20 Mar

1964

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 (49°) 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