Moon Phase Calculator

Calculate the moon phase for any date. Find illumination percentage, phase name, and upcoming lunar events.

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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.

๐ŸŒ”

Waxing Gibbous

More than half of the moon is illuminated and still growing.

Moon Details

88.4%
Illumination
Day 11.50
Of Lunar Cycle
38.9%
Cycle Progress
Waxing
Moon Direction

Upcoming Phases

๐ŸŒ‘ New Moonin 18.0 days
๐ŸŒ“ First Quarterin 25.4 days
๐ŸŒ• Full Moonin 3.3 days
๐ŸŒ— Last Quarterin 10.7 days
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Editorial Note

MyCalcBuddy Editorial Team

This page is maintained as an educational calculator reference.

รฐลธโ€œลก

Formula Source: Standard Mathematical References

by Various

รฐลธโ€โ€žLast reviewed: May 2026
รขล“โ€œFormula checks are based on standard references and internal QA review.