अधोलोकवर्णनम् (Adholoka-varṇana) — Description of the Lower Worlds and Cosmographic Measures
वर्द्धन्ते च ह्रसंते च ह्ययने दक्षिणोत्तरे / अहस्तु ग्रसते रात्रिं रात्रिश्च ग्रसते त्वहः
varddhante ca hrasaṃte ca hyayane dakṣiṇottare / ahastu grasate rātriṃ rātriśca grasate tvahaḥ
In the southern and northern ayanas, day and night wax and wane. At times the day devours the night, and at times the night devours the day.