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All Journal Al-Ahkam FIKRI : Jurnal Kajian Agama, Sosial dan Budaya JURNAL LENTERA : Kajian Keagamaan, Keilmuan dan Teknologi SAMARAH: Jurnal Hukum Keluarga dan Hukum Islam Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan Istinbath: Jurnal Hukum dan Ekonomi Islam ELFALAKY: Jurnal Ilmu Falak Jurnal Alwatzikhoebillah : Kajian Islam, Pendidikan, Ekonomi, Humaniora Muẚṣarah: Jurnal Kajian Islam Kontemporer Salimiya : Jurnal Studi Ilmu Keagamaan Islam Akademika : Jurnal Pemikiran Islam Kalosara: Family Law Review JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Journal of Shoutheast Asian Islam and Society (JSEAIS) Azimuth: Journal of Islamic Astronomy
Ahmad Adib Rofiuddin
Universitas Islam Negeri Walisongo
Religion Humanities Astronomy Earth & Planetary Sciences Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Social Sciences Other

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State Authority and Religious Contestation: Resistance to Governmental Decisions on Islamic Calendar Determination in Indonesia Ahmad Adib Rofiuddin; Mahsun Mahsun; Arifana Nur Kholiq
Fikri : Jurnal Kajian Agama, Sosial dan Budaya Vol. 10 No. 1 (2025): Fikri : Jurnal Kajian Agama, Sosial dan Budaya
Publisher : Institut Agama Islam Ma'arif NU (IAIMNU) Metro Lampung

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25217/jf.v10i1.5159

Abstract

The dynamics surrounding the determination of the beginning of the Hijri calendar remain a persistent and relevant issue within the Indonesian Muslim community. One notable example is the public resistance that emerged in response to the government’s decision regarding 1 Shawwal, which was perceived to neglect input from various stakeholders. This study aims to explore the forms of resistance and identify the underlying factors contributing to this phenomenon. Using a qualitative descriptive approach, data were collected from online news sources and other relevant materials, then categorized and analyzed. The findings reveal that resistance occurs not only at the organizational and group levels but also at the individual level. Furthermore, the study highlights that an individual's level of literacy and mastery of scientific knowledge significantly influences their understanding and acceptance of the calendar decision. By applying Social Representation Theory, this study offers a novel contribution to the literature by shifting the focus from legal-astronomical debates to the sociocultural meanings and identities that shape public responses. This perspective fills a gap in previous studies and provides a more holistic understanding of calendar-related conflicts. The study recommends a more extensive public education effort by the government, including the integration of related knowledge into formal school curricula, as a strategic investment for fostering greater social harmony in the future.
Transformasi Kalender Islam di Turki dari Rukyat ke Hisab Rofiuddin, Ahmad Adib
Azimuth: Journal of Islamic Astronomy Vol. 3 No. 1 (2022): Januari
Publisher : Program Studi Ilmu Falak UIN Sunan Ampel Surabaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.15642/azimuth.v3i1.1437

Abstract

Turkey has a long history in the study of the Islamic Calendar. Since the arrival of Islam in Turkey, the Islamic Calendar has been the main reference in the administration of the kingdom for hundreds of years. Furthermore, the kingdom also paid special attention to developing the Istanbul Observatory, which was considered the most sophisticated observatory at that time, to support the implementation of the early determination of the Hijri month using the observation (rukyat) method. For hundreds of years running, the use of the Hijri calendar then began to be shifted by the Gregorian Calendar System along with the collapse of the Ottoman Empire. In addition to changing the calendar system, Mustafa Kemal Attaturk also changed the method of determining the beginning of the month from observation (rukyat) to calculation (hisab). Although it has undergone many changes since the birth of the Republic of Turkey, the Turkish government's attention to the Islamic Calendar still continuing. After successfully holding the International Hijri Calendar Unification conference in 1978, in 2016 Turkey also held the same event and introduced the 2016 Turkish criteria. Then, this criterion becomes a reference for several countries in determining the beginning of the Hijri month. Despite getting a lot of criticism regarding the 2016 Turkey Criteria, we need to give appreciation to Turkey for its active role in the development of the Global Islamic calendar discourse.
Integration of Science and Religion: Salat Time in Astronomical Perspectives Prastyorini*, Niken; Rofiuddin, Ahmad Adib
JIM: Jurnal Ilmiah Mahasiswa Pendidikan Sejarah Vol 9, No 1 (2024): Februari, Educational Studies, History of Education and Social Science
Publisher : Universitas Syiah Kuala

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24815/jimps.v9i1.29307

Abstract

The integration between science and religion in determining prayer times is one of the efforts of astronomers to understand the Qur'an and at the same time deepen scientific knowledge. This makes Muslims aware of the importance of studying religious knowledge and general knowledge at the same time. This research is library research. By using references from previous studies, this study covers how prayer times are from an astronomical perspective. Determination of prayer times from an astronomical perspective always pays attention to the star's arguments that have been determined. The explanation of prayer times in the Qur'an and hadith needs to be redefined through the science of astronomy so that the integration between sciences can be clearly described.
An Examination Of The Practical Implementation Of The Neo Mabims Criteria In The Determination Of The New Islamic Month In Indonesia. Hikam, Farras Fathan; Rofiuddin, Ahmad Adib; Rahman, Mohammad Zulfaiz Akbar bin Abdul
Journal of Southeast Asian Islam and Society Vol. 4 No. 1 (2025): JSEAIS
Publisher : UIN Sulthan Thaha Saifuddin Jambi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30631/knmk6b40

Abstract

The Ministers of Religious Affairs of Brunei Darussalam, Indonesia, Malaysia, and Singapore (MABIMS) have reached a consensus to modify the existing criteria (criteria [2, 3, 8]) by employing the recently developed MABIMS criteria (criteria [3° - 6,4°]) as the foundation for determining the onset of the Hijri month. Following its implementation in 2022, the Neo MABIMS criteria have encountered numerous challenges and intricate implementation challenges. The application of these criteria has been met with both advantages and disadvantages. This study aims to analyze the application of the Neo MABIMS criteria by the Ministry of Religious Affairs in determining the beginning of the Hijri month in Indonesia. The study will assess the effectiveness of the policy in harmonizing differences and addressing implementation challenges. This research explores the dynamics of applying the new criteria, including technical and social aspects that affect the implementation process in the field. The research method employed is qualitative-descriptive with a documentary research approach. The analysis technique entailed three stages: data presentation, data condensation, and interpretation. The findings indicate that the implementation of these criteria has been hindered by persistent differences in determining the start of the Hijri month in Indonesia. The utilization of the Neo MABIMS criteria is characterized by inconsistency, which is a substantial impediment to this process. This finding underscores the necessity for a comprehensive evaluation of the consistency and application of the Neo MABIMS criteria, particularly in addressing rukyat reports that deviate from the established astronomical parameters.
HISAB AWAL WAKTU SALAT DALAM KITAB RISALAH FALAK AL-ANWAR Nur Imani Surur; Ahmad Adib Rofiuddin
Salimiya: Jurnal Studi Ilmu Keagamaan Islam Vol. 6 No. 1 (2025): Salimiya
Publisher : Lembaga Penelitian, Penerbitan dan Pengabdian kepada Masyarakat (LP3M) IAIFA Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58401/salimiya.v6i1.2070

Abstract

This study explores the method and accuracy of the initial calculation of prayer times in the book Risalah Falak Al-Anwar. This book uses a different algorithm concept. The difference lies in the data on solar declination and the equation of time used are stagnant (eternal). The calculation also does not include corrections to the altitude of the place. While other modern prayer time calculation methods use solar declination data and equation of time which are updated annually. The research method used is a literature study with data analysis from the book Risalah Falak Al-Anwar. This study produced two findings, First, the initial calculation of prayer times in the book Risalah Falak Al Anwar is included in the haqiqi tahqiqi method, because in its calculations it already uses the spherical trigonometry formula. The equation of time data is adopted from the book Nur al-Anwar and the solar declination data is calculated manually using the solar longitude difference formula. Second, the results of the calculation of prayer times in the book Risalah Falak Al Anwar are quite accurate, because the largest difference with the Ephemeris is 1 minute 51 seconds.
PENGAMATAN SYAFAQ DI KARIMUN JAWA MENGGUNAKAN ANALISA PERBANDINGAN INTENSITAS CAHAYA DAN 3D SURFACE Hawwin Chilyatina; Ahmad Adib Rofiuddin; M. Nur Iskandar Fajri
Salimiya: Jurnal Studi Ilmu Keagamaan Islam Vol. 6 No. 1 (2025): Salimiya
Publisher : Lembaga Penelitian, Penerbitan dan Pengabdian kepada Masyarakat (LP3M) IAIFA Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58401/salimiya.v6i1.2080

Abstract

The criteria for shafaq remain a matter of debate among Muslims, particularly among scholars who propose varying solar depression angles, such as -15°, -18°, -19°, -19.5°, and -20°. These differences directly affect the determination of prayer times, as the start of prayer depends on the chosen solar elevation angle. This issue is of particular concern to the Muslim community, especially in relation to the onset of the Isha prayer. In this study, the author conducts observations to examine the shafaq phenomenon. Data were collected through observations on Karimun Jawa Island using a smartphone camera (Poco F1) with ISO 1600, an 8-second shutter speed, and 15-second intervals between photos. This research employs a qualitative method with a descriptive-comparative approach by comparing two or more variables, utilizing two types of analysis: light intensity comparison and 3D Surface analysis, both using features available in the Astro ImageJ application. The study demonstrates that the shafaq phenomenon can be effectively analyzed using both methods, although differences were observed. The light intensity comparison method detected the shafaq approximately 10 minutes later than the 3D Surface analysis.
NGOs CONTESTATION ON ISLAMIC HIJRI CALENDAR IN URBAN MUSLIM SOCIETY IN INDONESIA: FROM AUTHORITY TO IDENTITY Rofiuddin, Ahmad Adib; Hakim, Ahmad Luqman
AKADEMIKA: Jurnal Pemikiran Islam Vol 27 No 2 (2022)
Publisher : Lembaga Penelitian dan Pengabdian kepada Masyarakat, Institut Agama Islam Negeri Metro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32332/akademika.v27i2.5357

Abstract

This article discusses on religious contestation on determination of Islamic Calendar in Urban Muslim society in Indonesia. An Indonesian Islamic calendar discourse is always dominated by Nahdatul Ulama and Muhammadiyah as two largest Islamic NGOs. The choice of individuals from this group to fill the office of Minister of Religious Affairs, the official authority, is a sign of the domination amongst these mass organizations. To analyze the contestation of religious authority, this paper recommends the application of an analytical framework of the Gramsci’s hegemony theory which illustrates the contestation between them. Data were gathered through in-depth interviews with the two organizations' experts in Islamic astronomy, which were then evaluated using a descriptive approach. The finding of this paper reveal that the contestation between Nahdatul Ulama and Muhammadiyah not only in relation to the power, but also strengthening the identity of each group to shows their power on Islamic Calendar discourse in Indonesia.
Pro Kontra Penetapan Waktu Imsak Pada Jadwal Imsakiyah Ramadan Dalam Pendekatan Fikih dan Falak Asyari, Ahmad Muhajir; Rofiuddin, Ahmad Adib; Muttaqien, Ade Imam
KALOSARA: Family Law Review Vol. 3 No. 2 (2023): Kalosara: Family Law Review
Publisher : Institut Agama Islam Negeri Kendari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31332/kalosara.v3i1.7062

Abstract

Penelitian ini merupakan penelitian qualitative melalui pendekatan hukum normatif yang bertujuan untuk menganalisis terkait pro kontra penetapan waktu imsak pada jadwal imsakiyah Ramadan melalui pendekatan Fiqih dan Ilmu Falak, pengumpulan data yang digunakan melalui studi kepustakaan serta prosedur analisis data dilakukan melalui pemeriksaan, klasifikasi, verifikasi, analisis, dan kesimpulan. Hasil penelitian ini menunjukkan bahwa Permasalahan pada jadwal imsakiyah muncul ketika terdapat bermacam-macam penetapan didalamnya, seperti waktu dhuha, waktu tengah malam (nisfu al-lail) dan waktu Imsak. Penetapan imsak pada jadwal imsakiyah ramadan memiliki pendekatan sosio-historis yang berkembang di masyarakat Islam di mesir mulai era pemerintahan Muhammad Ali Pasha pada tahun 1262 H/1846 M dan diteruskan hingga sekarang di Indonesia. Waktu Imsak merupakan waktu ihtiyath untuk memulai puasa ramadan yaitu sekitar 10 menit sebelum fajar shadiq yang bertepatan dengan waktu subuh, namun penetapan waktu imsak memiliki perbedaan pendapat, karena waktu imsak adalah ijtihad Ulama untuk membuat kehati-hatian dalam beribadah, namun disisi lain ketentuan dimulainya ibadah puasa adalah Ketika terbtinya fajar shadiq, sehingga dalam penetapannya waktu imsak bukan sebagai penanda awal waktu puasa, namun sebagai peringatan dan kehati-hatian akan masuknya waktu dimulainya puasa
Co-Authors Adeni, Adeni Ahmad Izzuddin Ahmad Luqman Hakim Ahmad Luqman Hakim, Ahmad Luqman Ardliansyah, Moelki Fahmi Arifana Nur Kholiq asyari, ahmad muhajir Farid, Firdaus Hawwin Chilyatina Hikam, Farras Fathan Ikhsan Mahaendra Kholis, Nor M. Nur Iskandar Fajri Machzumy, Machzumy Mahsun Mahsun Maryatul Kibtyah, Maryatul Muttaqien, Ade Imam Nur Imani Surur Prastyorini*, Niken Rahman, Mohammad Zulfaiz Akbar bin Abdul Royyani, Muh Arif