🌙 Moon Phase Calculator
Real synodic lunar phase calculation for any date — same algorithm and reference epoch used elsewhere on this site.
🌒 Waxing Crescent
Illumination: 14.8% — Age: 3.71 days into the cycle
Excellent for hunting faint earthshine detail on the unlit lunar crescent.
Upcoming Major Phases
🌓 First Quarter
July 24, 2026 (in 6 days)
🌕 Full Moon
July 31, 2026 (in 13 days)
🌗 Last Quarter
August 7, 2026 (in 20 days)
🌑 New Moon
August 15, 2026 (in 28 days)
Real client-side synodic calculation (29.530588853-day mean lunar month + a known reference new-moon epoch) — not a live external ephemeris feed.