The Meanings of Reports · Hadith 583 (#Ḥadīth #3)
Chapter 328 | The meaning of the greater pilgrimage and the smaller pilgrimage
أبي - رحمه الله - قال: حدثنا علي بن إبراهيم بن هاشم، عن أبيه، عن عبد الله ابن المغيرة، عن عبد الله بن سنان، عن أبي عبد الله عليه السلام قال: الحج الأكبر يوم الأضحى.
3. My father, may Allah grant him mercy, said: We were told by Ali bin Ibrahim bin Hashim, from his father, from Abdullah ibn Mughaira, from Abdullah bin Sinan, from Abu Abdillah, peace be upon him, that he said: The greater pilgrimage is the Day of Adha.
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).