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 Rabi al-Awwal 1448 AH · Fri, Sep 11, 2026

Visibility Prediction
4/7 thresholds met
49.8951, -97.1384Fri, Sep 11, 2026·28 Rabi al-Awwal 1448 AHAmerica/Winnipeg

Rabi al-Thani 1448 AH

New Moon (Conjunction): 2026-09-11 03:26:59 UTC

PT: Sep 10, 20:26:59CT: Sep 10, 22:26:59ET: Sep 10, 23:26:59AT: 00:26:59
0%confidence
Not Possible

Sunset

19:50

Moonset

19:48

Astronomical Parameters

Moonset Lag-1.9 min
Moon Age21.4 hrs
Moon Altitude-1.1 °
Elongation11.5 °
Illumination1.0 %
ARCV-0.3 °
Crescent Width0.3 ′
Upcoming Islamic Months in Winnipeg

Rabi al-Thani 1448 AH

Mon, Sep 14, 2026

56% Likely

Jumada al-Ula 1448 AH

Tue, Oct 13, 2026

14% Very Difficult

Jumada al-Thani 1448 AH

Thu, Nov 12, 2026

46% Possible

Rajab 1448 AH

Sat, Dec 12, 2026

90% Very Likely

Sha'ban 1448 AH

Sun, Jan 10, 2027

85% Very Likely

Ramadan 1448 AH

Mon, Feb 8, 2027

72% 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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