Moon phase tonight
Monday, May 17, 2027
Moon phase on May 17
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Waxing Gibbous
88% illuminated · 11.4 days into the lunar cycle
Illumination
88%
QUIET
Next Full Moon
May 203d away
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Next New Moon
Jun 418d away
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Sky-watching conditions
With 88% 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.