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Lunar phaseNot visibleDefault location · London

New Moon

Monday, 10 September 1923 · 21:52 local in London

1923-09-10 20:52 UTC · Europe/London

New Moon occurs at 21:52 local time in London on 10 September. The Moon passes near the Sun in the sky, so its Earth-facing side is unlit. Dark skies make this a good period for deep-sky observing.

Moon altitude

-21°

At the exact phase

Illumination

0%

New Moon

Local date

10 Sep

1923

Viewing tips

  • The Moon itself will not be visible.
  • Use the darker sky for stars, the Milky Way, and deep-sky targets.
  • Check that the Sun has fully set before using a telescope.

Visibility, honestly

Not visible — lost in the Sun's glare.

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