Moon phase tonight
Friday, December 4, 2026
Moon phase on December 4
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Waning Crescent
25% illuminated · 24.6 days into the lunar cycle
Illumination
25%
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Next Full Moon
Dec 2420d away
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Next New Moon
Dec 95d away
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Sky-watching conditions
With 25% 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.