Chapter on Categories of Fasting and the Explanation of All of Them with Clarification

Al-Husayn ibn Said, from Sulayman al-Jafari, who said: I (narrator) heard Abu al-Hasan عليه السلام, peace be upon him, saying: “My father عليه السلام, peace be upon him, used to fast the day of Arafah on the hot day at the standing place, and He عليه السلام would command that an elevated shade be set up for him, so it would be erected for him, and He عليه السلام would wash himself because of the heat that reached him.”