Shloka 13
Matsya Purana — Cosmic Architecture of Sun–Moon and the ‘Houses of the Gods’
उत्तरे चैव भूम्यर्धे तथा ह्यस्मिंस्तु दक्षिणे उत्तिष्ठति पुनः सूर्ये रात्रिराविशते ह्य् अपः //
uttare caiva bhūmyardhe tathā hyasmiṃstu dakṣiṇe uttiṣṭhati punaḥ sūrye rātrirāviśate hy apaḥ //
In the northern half of the earth—and likewise in this southern half—when the Sun rises again, night indeed enters into the waters.
FAQs
It does not describe Pralaya directly; it explains a cosmological mechanism of time—how day and night alternate—using the Puranic image of “night entering the waters” when the Sun rises elsewhere.
By emphasizing regulated cycles of time (day/night), it supports the broader Purāṇic ethic of performing duties—rituals, governance, and household observances—at proper times (kāla), aligning human action with cosmic order.
Indirectly, it underscores the importance of solar timekeeping for rites (e.g., dawn/dusk observances) and for Vāstu-aligned planning that depends on cardinal directions (north/south) and the Sun’s movement.