Moon Sighting
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Moon Sighting

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

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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

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Moon Sighting in Winnipeg

CanadaCanada49.90°, -97.14°

28 Shawwal 1447 AH · Fri, Apr 17, 2026

Visibility Prediction
1/7 thresholds met
49.8951, -97.1384Fri, Apr 17, 2026·28 Shawwal 1447 AHAmerica/Winnipeg

Dhul Qi'dah 1447 AH

New Moon (Conjunction): 2026-04-17 11:51:48 UTC

PT: 04:51:48MT: 05:51:48CT: 06:51:48ET: 07:51:48
3%confidence
Unlikely

Sunset

20:25

Moonset

21:22

Astronomical Parameters

Moonset Lag56.7 min
Moon Age13.6 hrs
Moon Altitude7.1 °
Elongation7.9 °
Illumination0.5 %
ARCV7.9 °
Crescent Width0.2 ′
Upcoming Islamic Months in Winnipeg

Dhul Qi'dah 1447 AH

Sun, Apr 19, 2026

97% Very Likely

Dhul Hijjah 1447 AH

Mon, May 18, 2026

86% Very Likely

Muharram 1448 AH

Tue, Jun 16, 2026

59% Likely

Safar 1448 AH

Thu, Jul 16, 2026

77% Very Likely

Rabi al-Awwal 1448 AH

Sat, Aug 15, 2026

47% Possible

Rabi al-Thani 1448 AH

Mon, Sep 14, 2026

56% Likely

Moon Sighting in Canada

Canada's northern latitudes present unique challenges for crescent moon visibility. Cities at higher latitudes like Edmonton and Winnipeg may experience extended twilight during summer months, making the thin crescent harder to spot against a brighter sky.

From Vancouver on the Pacific coast to Halifax on the Atlantic, Canadian Muslim communities benefit from location-specific predictions that account for each city's unique astronomical conditions. Our model considers moonset lag, moon age, altitude, and other key parameters for precise forecasts.

How Our Predictions Work

Our system calculates five key astronomical parameters at sunset: moonset lag, moon age, moon altitude, sun-moon elongation, and illumination percentage. These are fed into a machine learning model trained on over 2,000 historical crescent sighting observations to produce a confidence score from 0% to 100%.

Moonset Lag

≥ 45 min

Moon Age

≥ 21 hrs

Altitude

≥ 8°

Elongation

≥ 10°

Illumination

≥ 0.9%

Upcoming Islamic Events in Winnipeg

Ramadan 2026

The holy month of fasting, prayer, and reflection observed by Muslims worldwide.

Eid al-Fitr 2026

The Festival of Breaking the Fast, celebrating the end of Ramadan.

Eid al-Adha 2026

The Festival of Sacrifice, the holiest of the two Islamic holidays, marking the culmination of Hajj.

Islamic New Year 2026

The first day of Muharram, marking the beginning of a new Islamic (Hijri) year.

Event dates for Winnipeg are based on local crescent moon visibility and may differ from other regions.

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