He also gathered and compiled the book Day and Night, a collection whose transmissions are regarded as sound.

Among those who narrated from him were Abū ʿAlī Aḥmad ibn ʿAbd Allāh al-Iṣbahānī, Abūʾl-Ḥasan Muḥammad ibn ʿAlī al-ʿAlawī, ʿAlī ibn ʿUmar al-Asdabādhī, the judge Abū Naṣr al-Kassār, and several others.

The ḥadīth master ʿAbd al-Ghanī al-Azdī said, “Hamzah al-Kinānī used to take pride in his association with Ibn al-Sunnī.”

Yaḥyā ibn ʿAbd al-Wahhāb ibn Manda relates: “My uncle Abū al-Qāsim told us. I heard the judge Rūḥ ibn Muḥammad al-Rāzī, the grandson of Abū Bakr ibn al-Sunnī, say: ‘I heard my uncle ʿAlī ibn Aḥmad ibn Muḥammad ibn Isḥāq recount: My father—may Allah have mercy on him—was writing down ḥadīth; he put his pen back into the inkwell, raised his hands in supplication to Allah, and died.’ When he was asked about the date of his passing, he replied, ‘At the end of the year 364 AH.’”

I say: He is the one who produced an abridgement of Sunan al-Nasāʾī, transmitted only that abridgement, and entitled it al-Mujtanā (1). We heard it with a high chain through his line of transmission.

Those who died the same year include: the ḥāfiẓ Abūʾl-Faraj Aḥmad ibn al-Qāsim al-Khashshāb al-Baghdādī in Tarsus; Abū Isḥāq Ibrāhīm ibn Aḥmad ibn Muḥammad ibn Rajāʾ al-Naysābūrī al-Abzārī, the bookseller; Abū Hāshim ʿAbd al-Jabbār ibn ʿAbd al-Ṣamad al-Sulamī, the tutor in Damascus; the musnid Abūʾl-Ḥasan ʿAlī ibn Aḥmad ibn ʿAlī al-Maṣṣīṣī; the caliph al-Ṭāʾiʿ lillāh, al-Faḍl son of al-Muqtadir, Jaʿfar al-ʿAbbāsī; the emir Muḥammad ibn Badr al-Ḥamāmī; and Abūʾl-Ḥasan Muḥammad ibn ʿAbd Allāh ibn Ibrāhīm al-Salīṭī.