Croissant Lunaire
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Croissant Lunaire

Prédictions de visibilité du croissant lunaire islamique basées sur des calculs astronomiques et l'apprentissage automatique.

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Sources de données

  • Éphémérides JPL DE421 (NASA)
  • Observations de CrescentWatch.org
  • Observations de MoonSighting.org.co.uk
  • Observations du Comité Hilal de Chicago
  • Bibliothèque astronomique Skyfield

Méthodologie

  • 7 paramètres de visibilité astronomique
  • Modèle ML Random Forest
  • Plus de 2 000 enregistrements d'entraînement historiques
Commentaires et demandes de fonctionnalités

Projet d'observation lunaire · Les prédictions astronomiques sont des estimations et doivent être utilisées en complément des pratiques traditionnelles d'observation lunaire

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Moon Sighting in Rabat

North AfricaAfrica34.02°, -6.84°

28 Shawwal 1447 AH · Fri, Apr 17, 2026

Prédiction de visibilité
0/7 seuils atteints
34.0209, -6.8416Fri, Apr 17, 2026·28 Shawwal 1447 AHAfrica/Casablanca

Dhul Qi'dah 1447 AH

Nouvelle Lune (Conjonction): 2026-04-17 11:51:48 UTC

PT: 04:51:48MT: 05:51:48CT: 06:51:48ET: 07:51:48
0%confiance
Impossible

Coucher du soleil

20:00

Coucher de la lune

20:21

Paramètres astronomiques

Retard du coucher de lune21.1 min
Âge de la lune7.1 hrs
Altitude de la lune3.1 °
Élongation5.0 °
Illumination0.1 %
ARCV4.0 °
Largeur du croissant0.1 ′
Upcoming Islamic Months in Rabat

Dhul Qi'dah 1447 AH

Sun, Apr 19, 2026

95% Very Likely

Dhul Hijjah 1447 AH

Mon, May 18, 2026

84% Very Likely

Muharram 1448 AH

Wed, Jun 17, 2026

99% Very Likely

Safar 1448 AH

Thu, Jul 16, 2026

89% Very Likely

Rabi al-Awwal 1448 AH

Sat, Aug 15, 2026

95% Very Likely

Rabi al-Thani 1448 AH

Mon, Sep 14, 2026

97% Very Likely

Moon Sighting in Africa

Africa's vast geography spans both hemispheres, creating diverse crescent moon sighting conditions. North African cities like Cairo, Casablanca, and Tunis share conditions similar to the Middle East, while East African cities like Nairobi sit near the equator where sighting conditions differ considerably.

With hundreds of millions of Muslims across the continent, accurate Hilal visibility predictions serve communities from Lagos to Johannesburg and from Dakar to Dar es Salaam. Each city's unique latitude and longitude significantly affect the timing and visibility of the new crescent.

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 Rabat

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 Rabat are based on local crescent moon visibility and may differ from other regions.

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Lagos

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Abuja

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