Chapter on Times of Prayer and Sign of Each of Its Times

And from him, from Al-Husayn ibn Sa‘id and Muhammad ibn Khalid al-Barqi and Al-‘Abbas ibn Ma‘ruf, all from Al-Qasim ibn ‘Urwah, from ‘Ubayd ibn Zurarah, who said: I asked Abu Abdillah عليه السلام about the time of Dhuhr and ‘Asr. Imam عليه السلام said: "When the sun passes the meridian, the time for both Dhuhr and ‘Asr has entered, except that this one (Dhuhr) is before that one (‘Asr). Then you remain in the time for both of them together until the sun sets."