अधोलोकवर्णनम् (Adholoka-varṇana) — Description of the Lower Worlds and Cosmographic Measures
उत्तरे चैव भूम्यर्द्धे तथा तस्मिंश्च दक्षिणे / उत्तिष्ठति तथा सूर्ये रात्रिराविशतत्वपः
uttare caiva bhūmyarddhe tathā tasmiṃśca dakṣiṇe / uttiṣṭhati tathā sūrye rātrirāviśatatvapaḥ
In the northern half of the earth, and likewise in the southern, when the Sun rises, night enters into darkness and withdraws.