(31) باب التَّوَجُّهِ نَحْوَ الْقِبْلَةِ حَيْثُ كَانَ
Narrated Jabir:
Allah's Messenger (ﷺ) used to pray (optional, non-obligatory prayer) while riding on his mount (Rahila) wherever it turned, and whenever he wanted to pray the compulsory prayer he dismounted and prayed facing the Qibla. (RU)
Reference (RU): Sahih al-Bukhari 400 (RU)
In-book reference (RU): Book 8, Hadith 51 (RU)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 8, Hadith 393 (RU)