Is there any Hadith with the words, ‘You should fast on a Monday because I was born on a Monday’ and is it authentic?
Imam Muslim (rahimahullah) has recorded the following:
Sayyiduna ‘Abu Qatadah Al Ansari (radiyallahu ‘anhu) says that Rasulullah (sallallahu ‘alayhi wa sallam) was asked regarding fasting on a Monday. He (sallallahu ‘alayhi wa sallam) replied, ‘[Monday] was the day I was born and the day that revelation was sent to me.’
(Sahih Muslim, Hadith: 1162)
Also see here
And Allah Ta’ala Knows best.
Answered by: Moulana Suhail Motala
Approved by: Moulana Muhammad Abasoomar
Checked by: Moulana Haroon Abasoomar