Moon phase tonight
Sunday, December 20, 2026
Moon phase on December 20
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Waxing Gibbous
85% illuminated · 11.1 days into the lunar cycle
Illumination
85%
QUIET
Next Full Moon
Dec 244d away
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Next New Moon
Jan 718d away
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Sky-watching conditions
With 85% of the moon lit, expect significant moonlight — only a bright, active aurora is likely to stand out against the sky glow. Check the aurora forecast for tonight's Kp index and visibility odds.