Anonymous treatise on the calculation of days and months
Scope & Content:
Brief anonymous treatise on the calculation of days and months. An instruction for calculating hijrī years indicates the date of the text's composition as 849/1445-46, during the second reign of the Ottoman sultan Murād II (مراد الثاني, reg. 1446-51, see f. 50v, lines 6-9). Instructions for fi...
Dar yāftan-i avval-i sāl-i suryāni در يافتن أول سال سرياني
Scope & Content:
Anonymous short text in Ottoman Turkish on calculating the first day of each month in the Byzantine (rūmī), here called Syriac (suryānī), calendar year, accompanied by a summarising table. The only section in the present volume not written in Arabic, the text nevertheless covers similar conten...
Sharḥ mukhtaṣar fī maʿrifat al-taqāwīm شرح مختصر في معرفة التقاويم
Scope & Content:
An anonymous commentary on an astronomical treatise in thirty sections called al-Mukhtaṣar fī maʿrifat al-taqāwīm (المختصر في معرفة التقاويم), also known as Sī faṣl dar maʿrifat-i taqwīm (سي فصل در معرفة تقويم) by Naṣīr al-Dīn al-Ṭūsī (نصير الدين الطوسي, d. 1274). The copy was completed at noon ...
al-Zīj al-Shāmil الزيج الشامل [Athīr al-Dīn al-Abharī, al-Mufaḍḍal ibn ʿUmar أثير الدين الأبهري، المفضّل بن عمر]
Scope & Content:
Astronomical handbook in ten bābs (أبواب), each subdivided into fuṣūl (فصول) in the tradition of Abū al-Wafāʾ al-Būzjānī and his colleagues at the Bāb al-Tibn Observatory in Baghdad (أبو الوفاء البوزجاني, d. 998, see f. 52v, line 3). The incipit also mentions the earlier work carried out under c...
