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All Journal Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Al-Hilal: Journal of Islamic Astronomy Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi
Walhidayah, Ravik
Unknown Affiliation
Religion Astronomy Earth & Planetary Sciences Education Environmental Science Languange, Linguistic, Communication & Media Physics Social Sciences

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Verification of Hilāl Image Using AI-Based Web Tool in Aceh Jaya Walhidayah, Ravik; Ismail, Ismail
Al-Hilal: Journal of Islamic Astronomy Vol. 7 No. 2 (2025)
Publisher : Fakultas Syari'ah dan Hukum UIN Walisongo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21580/al-hilal.2025.7.2.28809

Abstract

The determination of Hijri month beginnings is frequently disputed, particularly due to the subjective nature of the ru’yah (visual sighting) method, which is affected by observer bias and atmospheric variability. This study addresses a contested hilāl sighting in Aceh Jaya for Zulhijjah 1, 1446, where a photograph led to uncertainty in official determination. To mitigate misinterpretation, an artificial intelligence (AI)-based public website utilizing Google’s Teachable Machine was developed and tested. Descriptive analysis was conducted on two disputed photographic samples from the event. The AI model, trained for crescent (hilāl) image classification, consistently identified both samples as non-hilāl with a confidence exceeding 97%. The findings indicate the images were likely artifacts or noise rather than genuine crescent sightings. The research demonstrates that AI platforms provide reliable, objective support in hilāl verification, enhancing the standardization and credibility of Hijri calendar determinations for religious and scientific authorities.
Application of Artificial Intelligence in Automatic Crescent Moon Detection System Using Teachable Machine Model on Web Platform Walhidayah, Ravik; Ismail, Ismail
Al-Marshad: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Vol 11, No 2 (2025): Al-Marshad
Publisher : University of Muhammadiyah Sumatera Utara

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/jam.v11i2.26166

Abstract

The issue of the visibility of the new moon (hilal) often becomes a recurring debate, especially during two major Islamic occasions: the determination of the beginning of Ramadan and the start of Dhu al-Hijjah for Eid al-Adha. In the practice of rukyat (moon sighting), claims of hilal sightings are frequently made without strong or objective evidence. Therefore, the utilization of artificial intelligence technology, particularly in the field of image classification, presents a potential solution to improve the accuracy and objectivity of the moon sighting process. This research employs an image classification model trained using the Teachable Machine platform. The trained model is then integrated into a websitesite developed using HTML, CSS, and Python, and hosted via the github service. Through this websitesite, rukyat observers can upload photos of the sky captured during moon observation. The AI model will then analyze the uploaded image to determine whether the hilal is visible or not. This system is expected to serve as a scientific and modern tool to support the moon sighting process.
Penguatan Literasi Saintifik-Religius Siswa SD Alam Bireun melalui Pembelajaran Kontekstual Jam Matahari Putri, Hasna Tuddar; Ukhti, Laiyina; Walhidayah, Ravik; Salsabiila, Raisa
Lamahu: Jurnal Pengabdian Masyarakat Terintegrasi Vol 5, No 1: February 2026
Publisher : Universitas Negeri Gorontalo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.37905/ljpmt.v5i1.34566

Abstract

 Students at Sekolah Alam Bireuen (SABIR) in Aceh continue to experience difficulties in relating observable astronomical phenomena to the determination of prayer times, despite the school’s nature-based learning approach. This situation indicates the need for instructional interventions that integrate scientific concepts with religious practices. This community service program aimed to strengthen students’ scientific–religious literacy through the use of sundials as basic observational instruments. Using the Participatory Action Research (PAR) method, 25 third- and fourth-grade students participated in classroom sessions introducing Islamic astronomy and outdoor activities involving the construction and observation of simple sundials. During the outdoor practice, students positioned gnomons, marked shadow movements, and observed the shortest shadow as the Sun passed its culmination point. The observations describe students’ emerging understanding of the relationship between the Sun’s position and the onset of prayer times, along with their developing skills in using simple astronomical tools. This program provides an account of how empirical engagement with natural indicators can support integrated learning that connects scientific reasoning with religious values.
Co-Authors Hasna Tuddar Putri, Hasna Tuddar Ismail Ismail Salsabiila, Raisa Ukhti, Laiyina