Find the moon phase for any date. See the phase name, illumination percentage, and how many days until the next full or new moon.
Waxing Gibbous
Day 14.5 of 29.5-day lunar cycle
Illumination
99.9%
Next Full Moon
0.3 days
Next New Moon
15.1 days
Lunar Phase Cycle
Yes, Moon Phase Calculator is completely free to use on UtilityCove.
No. Moon Phase Calculator runs in your browser, so your input stays on your device.
Yes. Moon Phase Calculator works on modern mobile and desktop browsers.
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