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

Zayd, from ‘Ubayd ibn Zurarah: Abu Abdillah عليه السلام said regarding the saying of the Most High: ‘Establish the prayer at the declining of the sun until the darkness of the night”’ (Surah Isra 17:78). Imam عليه السلام said: “Indeed, Allah سبحانه وتعالى, the Exalted, made four prayers obligatory, the beginning of whose time is from the sun’s decline until midnight. Among them are two prayers whose beginning time is from the sun’s decline until sunset, except that this one is before that one. And among them are two prayers whose beginning time is from sunset until midnight, except that this one is before that one.”