The meaning of the known days and the limited number of days

1. We were told by Muhammed bin Hasan bin Ahmad bin Waleed, may Allah grant him mercy, that he said: We were told by Hussain bin Hasan bin Aban, from Hussain bin Sa’eed, from Hammad bin Isa, from Abu Abdillah, peace be upon him, that he said

2. With this chain of narrators, from Hussain bin Sa’eed, from Muhammed bin Fudail, from Abu’l-Sabah, from Abu Abdillah, peace be upon him, with regards to the saying of Allah, Exalted and Glorious is He: «and mention the Name of Allah in known days» (22:28). He said

3. My father, may Allah grant him mercy, said: We were told by Muhammed bin Ahmad bin Ali bin Silt, from Abdullah bin Silt, from Yunus bin Abdul-Rahman, from Mufaddal bin Saleh, from Zaid al-Shahham, from Abu Abdillah, peace be upon him, with regards to the saying of Allah, Exalted and Glorious is He: «and mention Allah in limited number of days» (2:203)). He said