Hadith on Dhul-Hijjah: The Prophet did not observe fasting during the first ten days of Dhul-Hijjah

Aisha reported: I never saw the Messenger of Allah, peace and blessings be upon him, fasting during the first ten days of Dhul-Hijjah.

Source: Sahih Muslim 1176

Grade: Sahih (authentic) according to Imam Muslim

عَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ مَا رَأَيْتُ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ صَائِمًا فِي الْعَشْرِ قَطُّ

1176 صحيح مسلم كِتَاب الِاعْتِكَافِ باب صَوْمِ عَشْرِ ذِي الْحِجَّةِ