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Lunar phaseAbove horizon at event timeDefault location · London

Full Moon

Sunday, 23 January 1921 · 23:08 local in London

1921-01-23 23:08 UTC · Europe/London

Full Moon occurs at 23:08 local time in London on 23 January. The Moon is opposite the Sun and fully illuminated. It is easy to see all night, but surface contrast is lowest because sunlight is nearly head-on.

Moon altitude

50°

At the exact phase

Illumination

100%

Full Moon

Local date

23 Jan

1921

Viewing tips

  • No dark adaptation is needed — the Moon is bright.
  • Use a moon filter if the glare is uncomfortable through a telescope.
  • Look for bright ray systems such as Tycho and Copernicus.

Visibility, honestly

Above the horizon (50°) 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