Purity: Obligatory Precaution Regarding Facing Qibla During Relieving Oneself
Practical Laws of Islam as per the teachings of Ayatullah Sistani
Ruling 55
Based on obligatory precaution, when one is emptying his bowels and/or bladder, neither the front of the body – i.e. the stomach and chest – nor the back must face qibla.1[3]
-Ayatullah Sistani, Practical Laws of Islam, Purification (Taharah)
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[3] Qibla is the direction towards the Kaʿbah in Mecca.