Matsya Purana — Hiranyakashipu’s Boons
अति चन्द्रं च सूर्यं च शिखिनं च स्वयंप्रभा दीप्यते नाकपृष्ठस्था भासयन्तीव भास्करम् //
ati candraṃ ca sūryaṃ ca śikhinaṃ ca svayaṃprabhā dīpyate nākapṛṣṭhasthā bhāsayantīva bhāskaram //
Abiding on the very surface of heaven, she shines by her own radiance—outshining the moon, the sun, and even fire—seeming, as it were, to illuminate the Sun itself.
This verse is not describing Pralaya directly; it emphasizes the Puranic cosmological motif of transcendent, self-born radiance in heavenly realms that exceeds ordinary cosmic lights (sun, moon, fire).
Indirectly, it reinforces the Matsya Purana’s value of tejas (spiritual splendor): righteous conduct, charity, and ritual purity are traditionally said to lead to higher realms characterized by extraordinary luminosity.
No explicit Vastu or temple-rule detail appears here; however, the imagery of surpassing solar radiance parallels iconographic ideals where a deity’s or divine figure’s prabhā (halo/aura) is depicted as self-luminous and supreme.