Prayers (Salat)

Bukhari :: Book 1 :: Volume 8 :: Hadith 393

Narrated Jabir:

Allah's Apostle 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.

Source materials are from the University of Southern California MSA site
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