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Al-Manahij: Jurnal Kajian Hukum Islam
Published by Universitas Islam Negeri Profesor Kiai Haji Saifuddin Zuhri Purwokerto
ISSN : 19786670     EISSN : 25794167     DOI : -
Core Subject : Education,
Education
AL-MANAHIJ is a scholarly journal of Islamic law studies. It is a forum for debate for scholars and professionals concerned with Islamic Laws and legal cultures of Muslim Worlds. It aims for recognition as a leading medium for scholarly and professional discourse of Islamic laws. It is a joint initiative of the members of the APIS (Asosiasi Peminat Ilmu Syariah) and the Syariah Faculty of the State Institute of Islamic Studies of Purwokerto (IAIN Purwokerto).
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Articles 11 Documents
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Search results for , issue "Vol 12 No 2 (2018)" : 11 Documents clear
Interkoneksi Fikih Hisab Rukyat dan Ilmu Geodesi Marwadi, Marwadi
Al-Manahij: Jurnal Kajian Hukum Islam Vol 12 No 2 (2018)
Publisher : Fakultas Syariah IAIN Purwokerto

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (747.067 KB) | DOI: 10.24090/mnh.v12i2.1768

Abstract

Islamic studies, including fiqh, using an integration-interconnection approach with other sciences are important to do to get a more complete perspective. One of them is the interconnection of “hisab-rukyat” fiqh with geodesy. In general, the study of the Qibla direction, the beginning of prayer times, the beginning of the qamariah month, and eclipses in “hisab-rukyat” fiqh, uses the general formula of spherical trigonometry with a round earth reference. Round earth references in the study of the region differ from the real condition of the earth in the form of an ellipsoid as described in geodesy. To get more valid results, it is important to convert latitude and place height. The latitude of the place obtained by reference or GPS is the geodetic latitude with the earth reference in the form of an ellipsoid, whereas the spherical trigonometry formula refers to the shape of a round Earth. The place height obtained through GPS is the ellipsoid height, not the desired orthometric height (above the average surface of sea water). By converting these data, studies of the “hisab-rukyat” fiqh can be more valid. By increasing the validity of the calculation results, the interconnection between “hisab-rukyat” fiqh and geodesy appears in the form of complementation, meaning that data and findings of geodesy can complement data and analysis in “hisab-rukyat” fiqh, so that it is possible to draw more valid conclusions.

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