The Arctic Home in the Vedas c8.s1.49

c8.s1.49

6. Thirty Sisters: Sâyaṇa, in his commentary on the preceding verse says पञ्चसंख्याका ज्येष्ठा उषसः तासां स्वसारः पञ्चविंशतिसंख्याका इत्यस्मिन् मासि प्रतिपदादिरूपास्त्रिंशदुषसः संपद्यन्ते, meaning that the thirty Dawns mentioned are the thirty dawns of a month. But Sâyaṇa does not explain why one month out of twelve, or only 30 out of 360 dawns should be thus selected. The explanation is again unsuited to the context, (See supra p. 101, and 7. Through the sky, the illumined Goddess of Night accepts the ordinances of the sun. The cattle, of various forms, (begin to) look up as they rise on the lap of the mother.