CHAPTER. [During the obligatory Salat (prayers)] one should face the Qiblah (Kabah at Makkah) wherever one may be.
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.
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