Manusmriti

siva.sh/manusmriti/4/50

मूत्रोच्चारसमुत्सर्गं दिवा कुर्यादुदङ्मुखः । दक्षिणाऽभिमुखो रात्रौ सन्ध्यायोश्च यथा दिवा ॥ ५० ॥

sanskrit

Let him void faeces and urine, in the daytime turning to the north, at night turning towards the south, during the two twilights in the same (position) as by day

english translation

mUtroccArasamutsargaM divA kuryAdudaGmukhaH | dakSiNA'bhimukho rAtrau sandhyAyozca yathA divA || 50 ||

hk transliteration by Sanscript