What is the authenticity of this narration?
Sayyiduna Abu Dharr (radiyallahu ‘anhu) said, Rasulullah (sallallahu ‘alayhi wa sallam) said to me: “If you fast any part of the month, then fast the thirteenth, fourteenth and fifteenth.” (The Ayyamul Bid)
Answer:
Imams Tirmidhi and Nasai (rahimahumallah) have recorded this Hadith. Imam Tirmidhi (rahimahullah) has declared the Hadith sound (hasan).
(Sunan Tirmidhi, Hadith: 761, Sunan Nasai; Al Mujtaba, Hadith: 2424)
And Allah Ta’ala Knows best.
Answered by: Moulana Suhail Motala
Approved by: Moulana Muhammad Abasoomar
