Translation
(11) The Rites of Hajj (Kitab Al-Manasik Wa'l-Hajj)
كتاب المناسك
(634) Chapter: The Day Of The 'Great Hajj'
(67) باب يَوْمِ الْحَجِّ الأَكْبَرِ
Sunan Abi Dawud 1945 

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.

حَدَّثَنَا مُؤَمَّلُ بْنُ الْفَضْلِ، حَدَّثَنَا الْوَلِيدُ، حَدَّثَنَا هِشَامٌ، - يَعْنِي ابْنَ الْغَازِ - حَدَّثَنَا نَافِعٌ، عَنِ ابْنِ عُمَرَ، أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم وَقَفَ يَوْمَ النَّحْرِ بَيْنَ الْجَمَرَاتِ فِي الْحَجَّةِ الَّتِي حَجَّ فَقَالَ ‏"‏ أَىُّ يَوْمٍ هَذَا ‏"‏ ‏.‏ قَالُوا يَوْمُ النَّحْرِ ‏.‏ قَالَ ‏"‏ هَذَا يَوْمُ الْحَجِّ الأَكْبَرِ ‏"‏ ‏.‏
Grade :  Sahih (Al-Albani) صحيح  (الألباني)حكم :
Reference : Sunan Abi Dawud 1945
In-book reference : Book 11, Hadith 225
English translation : Book 10, Hadith 1940