Find the moon phase for any date. See the phase name, illumination percentage, and how many days until the next full or new moon.
Waning Crescent
Day 25.1 of 29.5-day lunar cycle
Illumination
20.5%
Next Full Moon
19.2 days
Next New Moon
4.4 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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