सहस्रयुगपर्यन्तमहर्यद्ब्रह्मणो विदुः। रात्रिं युगसहस्रान्तां तेऽहोरात्रविदो जनाः॥
sahasrayugaparyantamaharyadbrahmaṇo viduḥ rātriṃ yugasahasrāntāṃ te'horātravido janāḥ
Meaning
Those who understand the cosmic day and night know that one day of creation is a thousand cycles, and that the night is of equal length.
English translation by Shri Purohit Swami (1935), public domain. Sanskrit text in the public domain. About Duvidha