Jami` at-Tirmidhi 3044
جامع الترمذي#3044SahihNarrated 'Ammar bin Abi 'Ammar:"Ibn Abbas recited: This day, I have perfected your religion for you, completed My favor upon you, and have chosen for you Islam as your religion (5:3). And a Jew was with him who said: 'If this Ayah was revealed to us then we would have taken that day as a day of celebration.' So Ibn 'Abbas said: 'Indeed it was revealed on two 'Eids: On Friday, and on the Day of 'Arafah
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih Isnaad
Al-AlbaniSahih Isnaad
Zubair Ali ZaiIsnaad Sahih
In-book reference: 47:96