It was narrated from Aswad that ‘Aishah said:“I never saw the Messenger of Allah (ﷺ) fasting the (first) ten days (of Dhul- Hijjah).”
Hadith No. 1729
Sunan Ibn Majah
Gradings:
Al-Albani:
Sahih
Muhammad Fouad Abd al-Baqi:
Sahih
Shuaib Al Arnaut:
Sahih
Zubair Ali Zai:
Sahih Muslim