Hadith 4:630
Waki’ narrated to us, from Isma’il ibn Abi Khalid, from al-Sha’bi, who said: There is no day that I fast which is more hateful to me than a day in which the people differ regarding it.
حدثنا وكيع عن إسماعيل بن أبي خالد عن الشعبي قال ما من يوم أصومه ابغض إلي من يوم يختلف الناس فيه