Article ID: CBB077527533

Armonización de calendarios en el mundo islámico primitivo como se refleja en Elementos de astronomía de al-Farghānī (2021)

unapi

This paper seeks to shed more light on calendrical knowledge in the first centuries of the Islamic era in which different administrative traditions fell under the control of a central government. Astronomy as a court-sponsored discipline in the Abbasid dynasty (132-656 AH/750-1258 CE), undertook the pivotal task of identifying and mastering various calendrical disciplines under the reign of the caliphs to make a centralized management feasible. In the first two centuries, the domination of the Arabic lunar calendar, whose significance lies in governing the Islamic yearly festivals and occasions, led to drastic disagreements with the annual planting cycles that were followed by the farmers. Accordingly, the official taxation system faced serious problems. The solution to which was the development of a well-established solar calendar. The large concern of the ninth-century Muslim astronomers for calendrical computations, acknowledges their integral participation in this executive challenge. The present study follows these practices through the lens of a ninth-century Arabic astronomical text, written by Aḥmad b. Muḥammad b. Kathīr al-Farghānī (Alfraganus in the west), known mainly as the Elements of Astronomy. The careful exploration of this text helps us achieve a broader image of time-keeping accounts in the early Islamic era and the need for calendrical conversions. Moreover, the author’s detailed report of the five existing calendars of the time (Arabic, Syriac, Byzantine, Persian and Egyptian) and their systems of nomenclature, opens an early window to the linguistic investigation of time-reckoning in the Islamic world.

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Authors & Contributors
Stern, Sacha
Şen, Ahmet Tunç
Blake, Stephen P.
Akrami, Musa
Wartenberg, Ilana
Tang, Quan
Journals
Suhayl: Journal for the History of the Exact and Natural Sciences in Islamic Civilisation
Tarikh-e Elm (The Iranian Journal for the History of Science)
Ziran Kexueshi Yanjiu (Studies in the History of Natural Sciences)
Sciamvs: Sources and Commentaries in Exact Sciences
NTM: Zeitschrift für Geschichte der Naturwissenschaften, Technik und Medizin
Journal for the History of Arabic Science
Publishers
Oxbow
Edwin Mellen Press
Champion
Brill
Cambridge University Press
Concepts
Calendars
Astronomy
Arab/Islamic world, civilization and culture
Cross-cultural interaction; cultural influence
Jewish civilization and culture
Astrology
People
Simhah ben Samuel of Vitry (d. 1105)
Cunestabulus, Magister
Samson, Jacob bar
Kūshyār ibn Labbān, al-Jīlī
Isaac Israeli, The Elder
Euclid
Time Periods
Medieval
Ancient
Renaissance
9th century
15th century
14th century
Places
China
Greece
Ottoman Empire
India
Roman Empire
Toledo (Spain)
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