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All Journal Ulul Albab: Jurnal Studi dan Penelitian Hukum Islam Afkaruna: Indonesian Interdisciplinary Journal of Islamic Studies Intiqad: Jurnal Agama dan Pendidikan Islam YUDISIA : Jurnal Pemikiran Hukum dan Hukum Islam Heritage of Nusantara: International Journal of Religious Literature and Heritage KARSA: Jurnal Sosial dan Budaya Keislaman (Journal of Social and Islamic Culture) MIQOT: Jurnal Ilmu-ilmu Keislaman Al-Ahkam: Jurnal Ilmu Syari'ah dan Hukum MAHKAMAH: Jurnal Kajian Hukum Islam JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah) Titian Ilmu: Jurnal Ilmiah Multi Sciences SPEKTRA: Jurnal Kajian Pendidikan Sains Jurnal Environmental Science MUST: Journal of Mathematics Education, Science and Technology Prosiding SNFA (Seminar Nasional Fisika dan Aplikasinya) Jurnal Pendidikan Islam Jurnal SOLMA Al-MARSHAD: Jurnal Astronomi Islam dan Ilmu-Ilmu Berkaitan ORBITA: Jurnal Pendidikan dan Ilmu Fisika Jurnal Dinamika Sosial Budaya Journal of Contemporary Islam and Muslim Societies Idrak: Journal of Islamic Education Al-Hikmah: Jurnal Agama dan Ilmu Pengetahuan IJISH (International Journal of Islamic Studies and Humanities) Jurnal Kumparan Fisika Journal of Islam and Science Indonesian Review of Physics (IRiP) Ihsan: Jurnal Pengabdian Masyarakat Jurnal Ilmu Pemerintahan, Administrasi Publik, dan Ilmu Komunikasi (JIPIKOM) ELFALAKY: Jurnal Ilmu Falak Maslahah: Jurnal Pengabdian Masyarakat Al-Fikru: Jurnal Ilmiah International Journal of Community Service Proceeding International Seminar of Islamic Studies Al-Hilal: Journal of Islamic Astronomy Al-Afaq: Jurnal Ilmu Falak dan Astronomi Tsaqila Jurnal Pendidikan dan Teknologi Edu Society: Jurnal Pendidikan, Ilmu Sosial dan Pengabdian Kepada Masyarakat Jumantara: Jurnal Manuskrip Nusantara INJURITY: Journal of Interdisciplinary Studies DIKTUM: JURNAL SYARIAH DAN HUKUM Astroislamica: Journal of Islamic Astronomy QANUN: Journal of Islamic Laws and Studies Heritage of Nusantara: International Journal of Religious Literature and Heritage Jurnal Ilmu dan Inovasi Fisika Jurnal Pendidikan Islam Wahana Fisika : Jurnal Fisika dan Terapannya Azkayra: Jurnal Pengabdian Masyarakat dan Sosial Al-Ahkam: Jurnal Ilmu Syari'ah dan Hukum JIPFRI (Jurnal Inovasi Pendidikan Fisika dan Riset Ilmiah)
Arwin Juli Rakhmadi
Universitas Muhammadiyah Sumatera Utara
Religion Arts Humanities Astronomy Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Physics Public Health Social Sciences Other

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‘Ilm al Miqat fi al Hadaratil al Arabiyyah wa al Islamiyyah wa Dauruhu fi al Mujtama al Islami Butar-Butar, Arwin Juli Rakhmadi
Heritage of Nusantara: International Journal of Religious Literature and Heritage Vol 3, No 1 (2014)
Publisher : Center for Research and Development of Religious Literature and Heritage

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Abstract

تعتبر الحضارة الإسلامية العديد من العلوم الطبيعة منها العلوم الفلكية التي تدرس الأجرام السماوية.¬ إن مكانة علم¬ الفلك في العصور¬ الوسطى تتجه في الأساس إلى خدمة العبادة في الإسلام، لاسيما الصلاة والصوم. فمن أجل ذلك نشأ العديد من الفلكيين المسلمين بحثوا في هذا المجال واعترفوا بالموقت. شغل معظم الفلكيّين في هذا العصر، خاصة العصر المملوكي، وظيفة موقّت وهو فلكي محترف ملحق بأحد المساجد بالأجرة من السلطان، وكان مهمته تحديد أوقات الصلاة والصوم. ففي العصور الوسطى يعترف هذا الشغل بمؤسسة الموقت، وهي المجتمع تدرس الأجرام السماوية لخدمة العبادة.
PERAN DAN KONTRIBUSI OIF UMSU DALAM PENGENALAN ILMU FALAK DI SUMATERA UTARA Qorib, Muhammad; Zailani, Zailani; Radiman, Radiman; Amrizal, Amrizal; Rakhmadi, Arwin Juli
Jurnal Pendidikan Islam Vol 10 No 2 (2019)
Publisher : Universitas Muhammadiyah Prof Dr Hamka

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (199.294 KB) | DOI: 10.22236/jpi.v10i2.3735

Abstract

Astronomy is counted as a natural science that always gets the most attention of humans all the time. Lately, in Indonesia began to appear astronomical observatories that examine various things. The Falak Observatory of the University of Muhammadiyah North Sumatra (OIF UMSU) is one that has played an important role in the development of astronomy in Indonesia, especially in North Sumatra. In this observatory there are classical and modern astronomical tools. Among the role and contribution of this observatory is to provide information for students about the phenomenon and importance of astronomy, then training for students, astronomy studies, and others. The existence of this observatory is basically an appreciation of science and technology that are part of civilization.
‘ILM AL MIQAT FI AL HADARATIL AL 'ARABIYYAH WA AL ISLAMIYYAH WA DAURUHU FI AL MUJTAMA' AL ISLAMI Butar-Butar, Arwin Juli Rakhmadi
Heritage of Nusantara: International Journal of Religious Literature and Heritage Vol 3, No 1 (2014)
Publisher : Center for Research and Development of Religious Literature and Heritage

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31291/hn.v3i1.24

Abstract

????? ??????? ????????? ?????? ?? ?????? ??????? ???? ?????? ??????? ???? ???? ??????? ????????.¬ ?? ????? ???¬ ????? ?? ??????¬ ?????? ???? ?? ?????? ??? ???? ??????? ?? ???????? ?????? ?????? ??????. ??? ??? ??? ??? ?????? ?? ???????? ???????? ????? ?? ??? ?????? ???????? ???????. ??? ???? ????????? ?? ??? ?????? ???? ????? ????????? ????? ????? ??? ???? ????? ???? ???? ??????? ??????? ?? ???????? ???? ????? ????? ????? ?????? ??????. ??? ?????? ?????? ????? ??? ????? ?????? ??????? ??? ??????? ???? ??????? ???????? ????? ???????.
آراء ابن المجدي (ت 850 هـ) في رؤية الهلال دراسة وتحقيق قطاع من كتابه "غنية الفهيم والطريق إلى حل التقويم" Rakhmadi, Arwin Juli; Qorib, Muhammad; Zailani, Zailani; Radiman, Radiman; Amrizal, Amrizal
IJISH (International Journal of Islamic Studies and Humanities) Vol 3, No 1: April 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (977.569 KB) | DOI: 10.26555/ijish.v3i1.1914

Abstract

????? ??? ????? ?? ?????? ??????? ???? ???? ??????? ???? ?? ??????? ??? ????? . ??? ??? ????? ?? ?? ????? ???? ?????? ???? ?????? ??????? ????? ??? ???? . ???? ?????? ?? ????? "???? ?????? ??????? ??? ?? ???????" ?? ?? ??? ??????? ?? ????? ????? ?????????? . ???? ??? ?????? ?? ?????? ??? ?? ??? ?????? ?? ???? ?????????? ????????????? ????????? ??? ????? ??? ?????? ???????????? ??? ???? ?????? ???????? ?? ?????????? ???????????? ?????? ??? ?????? ??? ??? ????? ????? ???? ????? ?? ?????? ????? ???? ??????? ?? ????? ????? ?????». ??? ???? ??? ????? ?????? ??? ?? ??? ?????? ????? ?? ???? ?????? ?????????. ??????? ????? ?????? ???? ????????? ????? ??????? ?????.
PEMANFAATAN MEDIA RUBU’ AL-MUJAYYAB PADA PEMBELAJARAN MATEMATIKA DI SEKOLAH Setiawan, Hasrian Rudi; Rakhmadi, Arwin Juli; Hidayat, Muhammad
Idrak: Journal of Islamic Education Vol 2, No 2 (2020): Sedang Proses
Publisher : Sekolah Tinggi Ilmu Tarbiyah (STIT) Ar-Raudlatul Hasanah, Medan

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Abstract

Rubu? Al-Mujayyab adalah instrumen astronomi klasik berbentuk seperempat lingkaran dengan desain yang sederhana. Alat ini berfungsi secara spesifik sebagai penentu ketinggian dan pengukur waktu. Dalam artikel ini, dideskripsikan pemanfaatan alat klasik tersebut dalam membantu siswa dalam memahami hubungan antara ilmu yang dipelajarinya dengan alam sekitar. Secara khusus, ia diformat untuk membantu siswa mempelajari, memahami dan meningkatkan hasil pembejaran matematika di sekolah, yang secara khusus dipergunakan pada materi Trigonometri dan Kesebangunan. Dengannya, diharapkan muncul peningkatan kemampuan matematika khususnya pada pokok bahasan kesebangunan pada pembelajaran di sekolah. 
Measuring the Apparent Magnitude of Planet Mars on August 1st and October 2nd, 2018 at the Falak Observatory at Muhammadiyah University of North Sumatera Hidayat, Muhammad; Rakhmadi, Arwin Juli; Raisal, Abu Yazid
Indonesian Review of Physics (IRiP) Vol 3, No 1 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i1.1838

Abstract

The Bright stars that were seen by the eyes are the received quantity of the energy flux sent from the celestial body. The energy flux is inversely proportional to the distant quadrant which means that the light of the stars that are visible to our eyes cannot be compared to the actual brightness or even weaker than the others and the visible star lights the apparent magnitude. The purpose of this study is to measure the apparent magnitude of Mars. This research methodology is quantitative, by taking number of images/videos of Mars and then the data is processed by using IRIS software. The results of the analysis is using IRIS software that shows the value of the apparent magnitude of Mars on August 1st, 2018 is (-1.56 ± 0.33) and October 2nd 2018 is (-1.84 ± 0.08). This was taken by selecting the best image result in clear night sky.
Pemanfaatan Instrumen Astronomi Klasik Mizwala Dalam Pengukuran Dan Pengakurasian Arah Kiblat Juli Rakhmadi, Arwin; Rudi Setiawan, Hasrian
Maslahah: Jurnal Pengabdian Masyarakat Vol 1, No 2 (2020)
Publisher : Maslahah: Jurnal Pengabdian Masyarakat

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30596/maslahah.v1i2.69

Abstract

: Artikel ini membahas tentang satu instrumen astronomi modifikasi modern bernama Mizwala Qibla Finder hasil kreasi Hendro Setyanto. Alat ini sangat cocok dan akurat di gunakan di era modern karena akurasinya yang sangat tinngi. Alat ini juga direkomendasikan untuk digunakan karena fungsi dan urgensinya yang sangat penting yaitu menentukan arah kiblat. Seperti diketahui, menghadap kiblat adalah suatu keharusan (syarat) untuk sahnya shalat. Sedangkan dalam praktiknya ada banyak cara dan instrument yang dapat digunakan dalam menentukan arah kiblat, salah satunya adalah Mizwala Qibla Finder. Dalam praktiknya, pemanfaatan Mizwala Qibla Finder dalam penentuan arah kiblat memiliki akurasi yang cukup tinggi sehingga direkomendasikan untuk digunakan dalam menentukan dan mengakurasikan arah kiblat kapan saja dan dimana saja. Kata Kunci: Mizwala Qibla Finder, arah kiblat, fikih. 
The Effect of the Installation Angle of the Sky Quality Meter on the Night Sky Brightness and the Beginning of the Fajr Prayer Time Raisal, Abu Yazid; Hidayat, Muhammad; Hermawan, Leo; Rakhmadi, Arwin Juli
Indonesian Review of Physics (IRiP) Vol 3, No 2 (2020)
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.12928/irip.v3i2.2074

Abstract

Measuring the brightness of the night sky and determining the start of Fajr prayer times can be done using SQM. Observations were made at OIF UMSU with coordinates 3o 34' 55.06" N and 98o 43' 17.09" E. The sky brightness was measured using three SQMs mounted facing the zenith, eastern horizon, and western horizon. The night sky brightness values for SQM directed to the zenith, eastern horizon, and western horizon are 18.23 mpsas, 15.82 mpsas, and 15.47 mpsas. The beginning of fajr prayer time produced by SQM is after the beginning of fajr prayer time obtained using the Accurate Times concerning the Sun's altitude 18o below the horizon. The difference obtained by SQM directed to the zenith, eastern horizon, and western horizon is 29.5 minutes, 36.7 minutes, and 39.5 minutes. In other words, the beginning of Fajr prayer time used in Indonesia is earlier than it should be.
Astronomi Islam Era Dinasti Mamalik (1250-1517) Arwin Juli Rakhmadi
Afkaruna: Indonesian Interdisciplinary Journal of Islamic Studies Vol 9, No 1 (2013): June 2013
Publisher : Fakultas Agama Islam Universitas Muhammadiyah Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18196/aiijis.2013.0017.26-36

Abstract

Astronomy is special scientific discipline in Islam as it relates to daily Muslim worship practices. In the Mamalik era (1250-1517), especially in Cairo and Damascus regions, Islamic astronomy has developed significantly as can be seen in the new discoveries of astronomical instruments. However, Islamic astronomy in the era of Mamalik conceals a very large amount of scientific knowledge that needs further discussion. As mentioned by King, there were a dozen of Islamic schbolars in astronomy whose treatises and ideas are unrevealed. Therefore contemporary astronomical studies run in higher educational institutions, should also seriously be focused on examining classical knowledge in astronomy. This article discusses the history and develop- ment of Islamic astronomy in the era of Mamalik and their contribution to the body of scientific knowledge in as- tronomy in that period
آراء ابن المجدي (ت 850 هـ) في رؤية الهلال دراسة وتحقيق قطاع من كتابه "غنية الفهيم والطريق إلى حل التقويم" Arwin Juli Rakhmadi; Muhammad Qorib; Zailani Zailani; Radiman Radiman; Amrizal Amrizal
IJISH (International Journal of Islamic Studies and Humanities) Vol. 3 No. 1: April 2020
Publisher : Universitas Ahmad Dahlan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26555/ijish.v3i1.1914

Abstract

يعتبر علم الفلك من العلوم الطبيعة التي حظيت باهتمام كبير من الإنسان عبر الزمن . ومن ذلك البحث هو في مسألة رؤية الأهلة التي اختلفت العلماء حولها حتى الآن . فابن المجدي في كتابه "غنية الفهيم والطريق إلى حل التقويم" قد حل هذا الإشكال من منظور الفلك والرياضيات . يقول ابن المجدي إن الهلال إذا لم يكن قريبًا من حدود الرُّؤْيَة والامْتِنَاع، والاعتماد أنْ تنظرَ إلى مقوّمي النَّيْرَيْن نصف نهار التاسع والعشرين من الرُّؤْيَة وبُهْتَيْهما وساعات نصف النهار بعد أنْ تزيدَ عليها ثلثي ساعة، ثم استخرج البعد لتلك الساعات من جداول أبهات الشمس». فهو يذكر هنا طريقة المأخذ إذا لم يكن الهلال قريبا من حدود الرؤية والامتناع. والكتاب مطابق لأسلوب عصره ولمعاييْر العلم السائدة آنذاك.
Co-Authors Abu Yazid Raisal Abu Yazid Raisal Abu Yazid Raisal, Abu Yazid Ajraini Nazli Ajraini Nazli Amrizal Amrizal Amrizal Amrizal Andika, Muhammad Sadam Cemda, Abdul Rahman Fanreza, Robie Fanreza, Robie Firdaus, Muhammad Dimas Ginting, Nurman Gunawan Gunawan Habibullah Ritonga Hariyadi Putraga Hasrian Rudi Setiawan Hermawan, Leo Hidayat, Muhammad Ida Hanifah Ismail Ismail Isra Hayati Kasduri, Mario Khair, Alfath Leo Hermawan Marataon Ritonga Muhammad Dimas Firdaus Muhammad Dimas Firdaus Muhammad Dimas Firdaus Muhammad Hidayat Muhammad Hidayat Muhammad Qorib Munawir Pasaribu Nasution, Makromatul afifah Nor Azam bin Mat Noor Panjaitan, Nur Nilam Sary Pradesyah, Riyan Radiman Radiman Radiman, Radiman Rangkuti, Ahmad Zuhri Riskiyan Hadi Ritonga, Habibullah Robby Pamungkas Robie, Fanreza Ruslandi, Ruslandi Sinaga, Roynanda Thariq, Muhammad Zailani Zailani Zailani Zailani Zebua, Marfirah Syam