Safna Farah Dila
Universitas Islam Negeri Sunan Ampel Surabaya

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A Comparative Analysis of Qibla Direction Accuracy Using a Theodolite, Mizwala, and Right-Angle Triangle at As-Sakinah Mosque, Surabaya Safna Farah Dila
Astroislamica: Journal of Islamic Astronomy Vol. 4 No. 2 (2025): Astroislamica: Journal of Islamic Astronomy (Desember)
Publisher : Islamic Astronomy Department, Sharia and Law Faculty

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47766/astroislamica.v4i2.4796

Abstract

The Qibla direction is a fundamental aspect of Muslim prayer, requiring precise determination. This study evaluates the accuracy of the Qibla direction at the As-Sakinah Mosque in Surabaya by comparing three instruments: a Theodolite, a Mizwala, and a Right Triangle (Segitiga Siku-siku). Employing field experimental methods, the measurement data were analyzed using a comparative descriptive approach. The findings reveal significant variations in accuracy among the instruments: the Theodolite and Mizwala detected deviations of 5° 56' 48.71" and 5° 35' 4.21" respectively, whereas the Right Triangle method showed a substantial deviation of 25°. It is concluded that the mosque's current orientation deviates by approximately 5 degrees to the North, highlighting that digital optical instruments offer superior accuracy compared to simple manual methods in urban environments.