Narrated Abdullah ibn Umar: The Messenger of Allah ﷺ halted on the day of sacrifice between the jamrahs (pillars at Mina) during hajj which he performed. He asked: Which is this day? They replied: This is the day of sacrifice. He said: This is the day of greater hajj.
Hadith Referenceسنن ابي داود / كتاب المناسك / 1945
Hadith Gradingالألبانی:صحيح | زبیر علی زئی:إسناده صحيح
Narrated Abu Hurairah: Abu Bakr sent me among those who proclaim at Mina that no polytheist should perform Hajj after this year and no naked person should go round the House (the Kabah), and that the day of greater Hajj is the day of sacrifice, and the greater Hajj is the Hajj.
Hadith Referenceسنن ابي داود / كتاب المناسك / 1946
Hadith Gradingالألبانی:صحيح ق دون قوله ويوم الحج الأكبر | زبیر علی زئی:صحيح بخاري (3177) صحيح مسلم (1347)