followed by waxing crescent, first quarter, waxing gibbous, full Moon, waning gibbous, third quarter and finally waning crescent. This cycle repeats once every 29.5 days. Earth's only natural ...

Today, May 17, 2025, the moon is 20 days old and is in the waning gibbous phase of its lunar cycle. It is 77% illuminated. Moon phase Date First Quarter May 4 Full Moon May 12 Third/Last Quarter ...