Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein
Chapter on the Manner of Prayer, Explanation of the Fifty-One Rak‘ahs; The Order, Recitation, Tasbih in Bowing and Prostration, Qunut, and What is Obligatory and Recommended Therein
And from him, from al-Nadr, from Hisham, from Sulayman ibn Khalid, who said:
I asked Abu Abdillah عليه السلام, peace be upon him, about the two rak‘ahs before Fajr. Imam عليه السلام said: "You perform them when you are about to leave off the dawn prayer; indeed, they are before the dawn prayer."
Ali Akbar al-Ghaffari
Tahdhīb al-Aḥkām fī Sharḥ al-Muqniʿah, vol. 2, p. 142