तस्मादुष्णा भवत्यापो नक्तमह्नः प्रवेशनात् / एतेन क्रमयोगेन भूम्यर्द्धे दक्षिणोत्तरे
tasmāduṣṇā bhavatyāpo naktamahnaḥ praveśanāt / etena kramayogena bhūmyarddhe dakṣiṇottare
Therefore, by the entering of night and day, the waters become warm; by this stepwise order, this arrangement prevails in the southern and northern halves of the earth.