Moon phase tonight
Tuesday, July 21, 2026
Moon phase on July 21
🌓
First Quarter
43% illuminated · 6.7 days into the lunar cycle
Illumination
43%
QUIET
Next Full Moon
Jul 298d away
QUIET
Next New Moon
Aug 1323d away
QUIET
Sky-watching conditions
With 43% of the moon lit, expect moderate moonlight — a strong aurora display should still be visible, but faint activity may be washed out. Check the aurora forecast for tonight's Kp index and visibility odds.