Moon Sighting
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Moon Sighting

Islamic crescent moon visibility predictions powered by astronomical calculations and machine learning.

Top Cities

  • New York
  • Los Angeles
  • Chicago
  • Toronto
  • London
  • Istanbul
  • Makkah
  • Dubai
  • Riyadh
  • Cairo
  • Karachi
  • Lahore
  • Dhaka
  • Jakarta
  • Mumbai
  • Kuala Lumpur
  • Tehran
  • Houston
  • Dearborn
  • Nairobi

Data Sources

  • JPL DE421 Ephemeris (NASA)
  • CrescentWatch.org observations
  • MoonSighting.org.co.uk observations
  • Chicago Hilal Committee observations
  • Skyfield astronomical library

Methodology

  • 7 astronomical visibility parameters
  • ML Random Forest model
  • 2,000+ historical training records
Feedback & Feature Requests

Moon Sighting Project · Astronomical predictions are estimates and should be used alongside traditional moon sighting practices

Calendar

Traditional Islamic calendar with Gregorian date overlays

Enter a zip code or use "My Location" to generate the calendar

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The Hijri calendar is based on moon visibility predictions that vary by location. Use the search bar above or click "My Location" to generate the calendar.