Matsya Purana — Cosmic Architecture of Sun–Moon and the ‘Houses of the Gods’
सुषुम्ना सूर्यरश्मिर्या क्षीणं शशिनमेधते हरिकेशः पुरस्तात्तु यो वै नक्षत्रयोनिकृत् //
suṣumnā sūryaraśmiryā kṣīṇaṃ śaśinamedhate harikeśaḥ purastāttu yo vai nakṣatrayonikṛt //
That solar ray called Suṣumnā causes the waning Moon to wax again. And in the east is Harikeśa indeed—he who is said to fashion the womb (yoni, source) of the nakṣatras.
Rather than Pralaya, it explains ongoing cosmic regulation: a named solar ray (Suṣumnā) is described as the force by which the Moon regains fullness after waning, indicating a rule-governed cosmos maintained through solar-lunar interactions.
Indirectly, it supports timekeeping (tithi, nakṣatra) used for dharmic scheduling—royal administration, sacrifices, festivals, and household rites depend on lunar phases and nakṣatras, so understanding these cosmic measures underpins orderly governance and ritual discipline.
Its ritual takeaway is calendrical: nakṣatras and the waxing/waning Moon guide muhurta selection for consecrations, temple rites, and domestic samskāras—core to “Matsya Purana Vastu Shastra tips” that rely on auspicious lunar timing even when the verse itself is astronomical.