(65) باب صَوْمِ يَوْمِ عَرَفَةَ
Narrated Maimuna:
The people doubted whether the Prophet (ﷺ) was fasting on the day of `Arafat or not, so I sent milk while he was standing at `Arafat, he drank it and the people were looking at him.
Reference: Sahih al-Bukhari 1989
In-book reference: Book 30, Hadith 96
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 3, Book 31, Hadith 210