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Original scientific paper
https://doi.org/10.17559/TV-20170226111205

Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey

Veli İlçi   ORCID icon orcid.org/0000-0002-9485-874X ; Hitit University, Technical Vocational School, 19169, Çorum, Turkey
İbrahim Murat Ozulu   ORCID icon orcid.org/0000-0002-0963-3600 ; Hitit University, Technical Vocational School, 19169, Çorum, Turkey
Ersoy Arslan ; Istanbul Technical University, Civil Engineering Faculty, Geomatics Department, Maslak 34469, Istanbul, Turkey
Reha Metin Alkan   ORCID icon orcid.org/0000-0002-1981-9783 ; Hitit University, Kuzey Kampüsü, Çevre Yolu Bulvarı, 19030 Çorum, Turkey

Fulltext: english, pdf (2 MB) pages 1642-1649 downloads: 172* cite
APA 6th Edition
İlçi, V., Ozulu, İ.M., Arslan, E. & Alkan, R.M. (2018). Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey. Tehnički vjesnik, 25 (6), 1642-1649. https://doi.org/10.17559/TV-20170226111205
MLA 8th Edition
İlçi, Veli, et al. "Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey." Tehnički vjesnik, vol. 25, no. 6, 2018, pp. 1642-1649. https://doi.org/10.17559/TV-20170226111205. Accessed 27 Jun. 2019.
Chicago 17th Edition
İlçi, Veli, İbrahim Murat Ozulu, Ersoy Arslan and Reha Metin Alkan. "Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey." Tehnički vjesnik 25, no. 6 (2018): 1642-1649. https://doi.org/10.17559/TV-20170226111205
Harvard
İlçi, V., et al. (2018). 'Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey', Tehnički vjesnik, 25(6), pp. 1642-1649. doi: https://doi.org/10.17559/TV-20170226111205
Vancouver
İlçi V, Ozulu İM, Arslan E, Alkan RM. Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey. Tehnički vjesnik [Internet]. 2018 [cited 2019 June 27];25(6):1642-1649. doi: https://doi.org/10.17559/TV-20170226111205
IEEE
V. İlçi, İ.M. Ozulu, E. Arslan and R.M. Alkan, "Investigation on the Accuracy of Existing Qibla Directions of the Mosques from Different Periods: A Case Study in Çorum City, Turkey", Tehnički vjesnik, vol.25, no. 6, pp. 1642-1649, 2018. [Online]. doi: https://doi.org/10.17559/TV-20170226111205

Abstracts
The main goal of this study is to introduce two different approaches (i.e. based on spherical trigonometric formula and using sun qibla time) that can be used to determine the qibla directions of the existing mosques were oriented with sufficient accuracy according to Islamic criteria. In order to do this, eight mosques which were constructed in different periods, 14th, 16th, 17th and 21st centuries in Çorum City, Turkey, were handled. The existing qibla directions of each mosque were calculated with spherical trigonometric formula and compared with the precisely calculated real qibla directions. The existing qibla directions of the same mosques were once more compared with the real qibla directions which were determined by using the qibla time calculated based on the location and the time of the measurement. The results show that the qibla directions of the recently built mosques were oriented to Kâ’ba with higher accuracy while the earlier with more deviations. However, the results show that all the deviations were at acceptable levels in terms of Islamic criteria.

Keywords
GNSS; mosque orientation; qibla determination; sun qibla time

Hrčak ID: 212817

URI
https://hrcak.srce.hr/212817

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