Sunan Abi Dawud Fasting (Kitab Al-Siyam) Abu Ayyub al-Ansari Hafs bin 'Umar bin al-Harith حفص بن عمر بن الحارث Hmam bin Yahya bin Dinar همام بن يحيى بن دينار Juwayriya bint al-Harith Muhammad bin Kathir bin Abi 'Ata' محمد بن كثير بن أبي عطاء الثقفي Qatada قتادة Sahih The Prophet (ﷺ) said: Do not fast on Saturday except what has been made obligatory on you; and if one of you can get nothing but a grape skin or a piece of wood from a tree, he should chew it. https://parallelquran.com/hadith/sunan-abi-dawud-2421/