Abu Dawud
The Rites of Hajj
Book Number: 004 / Hadith Number: 1889
Narated By Jubayr ibn Mut'im : The Prophet (pbuh) said: Do not prevent anyone from going round this House (the Ka'bah) and from praying any moment he desires by day or by night. The narrator Fadl (ibn Ya'qub) said: The Apostle of Allah (pbuh) said: Banu Abdu Munaf, do not stop anyone.