Moon Phase Calculator
Calculate the moon phase for any date. Find illumination percentage, phase name, and upcoming lunar events.
Select Date
About Lunar Phases
The lunar cycle lasts approximately 29.53 days. The moon goes through 8 distinct phases as it orbits Earth, affecting tides, wildlife behavior, and has been used for calendars throughout history.
🌖
Waning Gibbous
The illuminated portion is decreasing from full.
Moon Details
23.8%
Illumination
Day 19.56
Of Lunar Cycle
66.2%
Cycle Progress
Waning
Moon Direction
Upcoming Phases
🌑 New Moonin 10.0 days
🌓 First Quarterin 17.4 days
🌕 Full Moonin 24.7 days
🌗 Last Quarterin 2.6 days