Chapter on the Prayer Times (Mawaqit)

From him, from Safwan ibn Yahya from Al-Harith ibn Mughirah from ‘Umar ibn Hanzalah, who said: I was measuring the position of the sun before Abu Abdillah عليه السلام. Imam عليه السلام said: “O ‘Umar, shall I inform you of something clearer than this?” I said: “Yes, may I be ransomed for you.” Imam عليه السلام said: “When the sun passes its zenith, the time of Dhuhr has entered, except that before it is the ‘subhah’ (supererogatory prayer), and that is up to you, if you shorten it, then when you finish your ‘subhah’, and if you lengthen it, then when you finish your ‘subhah’.”