Mujh se Ahmad ya Muhammad Bin Ubaidullah Ghadani ne bayan kiya, kaha hum se Hammad Bin Usama ne bayan kiya ke unhein Abu Umais ne khabar di, unhein Qais Bin Muslim ne, unhein Tariq Bin Shihab ne aur un se Abu Musa Ashari Radi Allahu Anhu ne bayan kiya ke jab Nabi Kareem Sallallahu Alaihi Wasallam Madinah tashreef laye to Aap Sallallahu Alaihi Wasallam ne dekha ke Yahudi Ashurah ke din ki tazem karte hain aur is din roza rakhte hain. Nabi Kareem Sallallahu Alaihi Wasallam ne farmaya ke hum is din roza rakhne ke zyada haqdar hain. Chunanche Aap Sallallahu Alaihi Wasallam ne is din ke roze ka hukm diya
.