Sahih Muslim Book 6, Hadith Number 2645.
Chapter : Fasting on the 10th Dhu’l-Hijja.
‘Aisha (Allah be pleased with her) reported: I never saw the Messenger of Allah (may peace be upon him) fasting in the ten days of Dhu’I-Hijja.
‘Aisha (Allah be pleased with her) reported: I never saw the Messenger of Allah (may peace be upon him) fasting in the ten days of Dhu’I-Hijja.