Abu Dawud Book 2, Hadith Number 534.Abu Dawud Book 2. Prayer Chapter : Not known. Narated By Bilal : The Apostle of Allah (PBUH) said to Bilal: Do not call adhan until the dawn appears clearly to you in this way, stretching his hand in latitude. Related Previous Post Abu Dawud Book 2, Hadith Number 538. Next Post Abu Dawud Book 2, Hadith Number 532.