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Lunar phaseAbove horizon at event timeDefault location · London

First Quarter Moon

Thursday, 20 January 2078 · 21:59 local in London

2078-01-20 21:59 UTC · Europe/London

First Quarter Moon occurs at 21:59 local time in London on 20 January. 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

25°

At the exact phase

Illumination

50%

First Quarter

Local date

20 Jan

2078

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 (25°) 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