Sahih al-Bukhari 2951
Book 56: Fighting for the Cause of Allah (Jihaad) · Narrated by Anas
Arabic
حَدَّثَنَا سُلَيْمَانُ بْنُ حَرْبٍ، حَدَّثَنَا حَمَّادٌ، عَنْ أَيُّوبَ، عَنْ أَبِي قِلاَبَةَ، عَنْ أَنَسٍ ـ رضى الله عنه أَنَّ النَّبِيَّ صلى الله عليه وسلم صَلَّى بِالْمَدِينَةِ الظُّهْرَ أَرْبَعًا، وَالْعَصْرَ بِذِي الْحُلَيْفَةِ رَكْعَتَيْنِ، وَسَمِعْتُهُمْ يَصْرُخُونَ بِهِمَا جَمِيعًا.
English translation
Narrated Anas:The Prophet (ﷺ) offered a four-rak`at Zuhr prayer at Medina and then offered a two rak`at `Asr prayer at Dhul-Hulaifa and I heard the companions of the Prophet (ﷺ) reciting Talbiya aloud (for Hajj and `Umra) altogether
Reference: Sahih al-Bukhari 2951, Book of Fighting for the Cause of Allah (Jihaad). English translation by Dr. Muhammad Muhsin Khan.