Moon phase tonight
Sunday, December 13, 2026
Moon phase on December 13
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Waxing Crescent
17% illuminated · 4.1 days into the lunar cycle
Illumination
17%
QUIET
Next Full Moon
Dec 2411d away
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Next New Moon
Jan 725d away
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Sky-watching conditions
With 17% of the moon lit, expect minimal moonlight interference — good conditions for aurora and deep-sky viewing. Check the aurora forecast for tonight's Kp index and visibility odds.