Synodic Lunar Cycle Observatory
Moon Phases & Illumination
Real-time calculations for lunar phase progression, percentage illumination, moon age, and upcoming milestone dates.
29.5-Day Synodic Ephemeris
Live Surface Illumination %
Next Full & New Moon Dates
Lunar Ephemeris Observatory
Delhi, India
Lat 28.61°, Lng 77.21° • Synodic Lunar CycleCurrent Lunar Phase
Waxing Crescent
Moon Age: 2.5 days into 29.5-day synodic cycle
7%
Surface IlluminationWAXING MOONNext Full MoonIn ~12 days100% full optical disc illumination
Next New MoonIn ~27 daysBeginning of next 29.5-day synodic cycle
Major Metropolises — Tonight's Lunar Illumination
India
Delhi
Current lunar phase, surface illumination % & moonrise times for Delhi, India
United States
New York
Tonight's lunar illumination, waxing/waning status & moonset times for NYC
United Kingdom
London
Greenwich meridian lunar illumination, moon age & next full moon for London
Japan
Tokyo
Live lunar ephemeris, moon cycle calendar & illumination percentage for Tokyo
Frequently Asked Questions About Lunar Phases
Discover how the Moon's orbit and geometry create optical phases.
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A synodic lunar month averages 29.530588 days (29 days, 12 hours, 44 minutes), progressing through 8 phases from New Moon to Full Moon and back.
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