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All Journal Syariah: Jurnal Hukum dan Pemikiran Journal of Islamic and Law Studies (JILS)
Ashidiqi, Iqnaul Umam
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Religion Humanities Law, Crime, Criminology & Criminal Justice Social Sciences

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IRSYADUL MURID HISAB OF THE BEGINNING ISLAMIC LUNAR MONTH ON DIGITAL FALAK WEB-BASED Ashidiqi, Iqnaul Umam
Syariah: Jurnal Hukum dan Pemikiran Vol 19, No 2 (2019)
Publisher : Universitas Islam Negeri Antasari Banjarmasin

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (537.67 KB) | DOI: 10.18592/sjhp.v19i2.3134

Abstract

Abstract:The development of astronomy in determining the beginning of the Islamic lunar month has occurred so rapidly, along with the sophistication of technology that makes it easy for users to get information. The digital falak web-based application was made by Ahmad TholhahMa'ruf an astronomy scholar from Islamic boarding school who presented the astronomy books. This web- based application displayed data and calculations in several books of astronomy inclusion including IrsyadulMuridbook. The research method used was qualitative with descriptive approach. The type of data used was library research. The results showed that the algorithm used in the early reckoning of Islamic lunar inIrsyadulMuridbook based on the digital falak web was different toIrsyadulMuridbook. The results of calculating the book IrsyadulMuridwith the digital falak web of celibacy were inappropriate which was done manually within the last 3 years making the results different. So, it could be concluded that the digital Falak web was inaccurate if it was used for rukyat data. Evaluation was necessarily needed, thus hisab(astronomical calculation) result in digital falak web-based would be equivalent to hisab in IrsyadulMuridbook. Keywords:digital falak web,Islamic lunar month,IrsyadulMurid.
Istinbat Law of Ru'yah al-Hilāl of The PBNU Falakiyah Institute (Study on The Cancellation of Istikmal In The Month Of Jumadil Awal 1438 H/2017 M) Ashidiqi, Iqnaul Umam; Abdul Haq, M. Adib
JOURNAL OF ISLAMIC AND LAW STUDIES Vol. 9 No. 3 (2025)
Publisher : Fakultas Syariah UIN Antasari

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18592/jils.v9i3.18070

Abstract

Determination of the beginning of the month of Jumadil Akhir 1438 H, the position of the hilal based on hisab at an altitude of 7˚08' - 8˚51'in Indonesia no one managed to see the hilal. Therefore, the beginning of Jumadil Akhir 1438 H was decided on March 1, 2017 on the basis of ikmal / istikmal. On Tuesday, March 28, 2017, there was a rukyat report in Pelabuhan Ratu of the hilal at 3˚27' and in Condrodipo Gresik, at 3˚17' there was a person who saw the hilal and his report was accepted, resulting in the istikmal of the month of Jumadil Awal being canceled. The purpose of this study is to reveal the legal istinbāṭ of the cancellation of ikmal / istikmal in the month of Jumadil Awal 1438 AH / 2017 AD. This research uses a library research method which is included in the qualitative type with an evaluative descriptive approach, which means that the author seeks to reveal and understand the implementation of ru'yah al-hilal in the perspective of the PBNU LF in the case of a Study on the Cancellation of Istikmal in the Month of Jumadil Awal 1438 H / 2017 AD). The conclusion of the legal istinbāṭ used and referred to by the PBNU LF is through the results of the NU XXXIV Congress in Lampung. Contradictions between material and formal provisions in the Hijri calendar can also occur. In order to unravel the problem of contradictions in the lunar calendar, the LF PBNU uses the al-Tarjih method as a solution.
Co-Authors Abdul Haq, M. Adib