Matsya Purana — Dhruva as Cosmic Pivot: Motions of Sun–Moon–Planets
पर्जन्यो दिग्गजाश्चैव हेमन्ते शीतसम्भवम् तुषारवर्षं वर्षन्ति वृद्धा ह्यन्नविवृद्धये //
parjanyo diggajāścaiva hemante śītasambhavam tuṣāravarṣaṃ varṣanti vṛddhā hyannavivṛddhaye //
In the season of Hemanta (early winter), Parjanya and the elephants of the quarters, having grown strong, send down showers of frost (tuṣāra) born of cold, so that the growth and abundance of grain may increase.
It does not address Pralaya directly; it explains a cosmic-ecological function in ordinary time—how cold-season moisture (tuṣāra) is providential for sustaining and increasing grain.
By linking seasonal phenomena to food abundance, it supports the householder’s and king’s duty to follow the ritual-agricultural calendar—protecting cultivation, storing grain, and performing season-appropriate rites that uphold prosperity.
The verse is primarily calendrical and agrarian; ritually, it implies timing observances in Hemanta when dew/frost supports crops—useful for planning seasonal rites and temple/household offerings tied to harvest and food-security.