Caution: Translations of Quran and Ḥadīth may lead to possible misapplications and misinterpretations. This site is intended for students of sacred knowledge that are proficient in comprehending classical Arabic and have a strong foundation in Islamic sciences. Also note that religious injunctions rely on several aspects beyond what one may glean through reading individual aḥādīth.
ahmad:10630Rawḥ > Ḥammād > ʿAmmār b. Abū ʿAmmār > Abū Hurayrah

[Machine] The Prophet ﷺ said something similar and added to it, and the Mu'athin (caller to prayer) would call for prayer when dawn broke.  

أحمد:١٠٦٣٠حَدَّثَنَا رَوْحٌ حَدَّثَنَا حَمَّادٌ عَنْ عَمَّارِ بْنِ أَبِي عَمَّارٍ عَنْ أَبِي هُرَيْرَةَ

عَنِ النَّبِيِّ ﷺ مِثْلَهُ وَزَادَ فِيهِ وَكَانَ الْمُؤَذِّنُ يُؤَذِّنُ إِذَا بَزَغَ الْفَجْرُ