Jami` at-Tirmidhi 802
جامع الترمذي#802SahihAishah narrated that:The Messenger of Allah said: "Al-Fitr is the day that the people break the fast, and Al-Adha is the day that the people sacrifice
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Ahmad Muhammad ShakirSahih
Al-AlbaniSahih
Zubair Ali ZaiSahih
In-book reference: 8:121