पार्थिवप्रतिमापूजाविधानम्
Pārthiva-pratimā Pūjā-vidhāna — Procedure for Worship of an Earthen Icon
ऊर्जे मासि दिने पुण्ये जन्म नैवेद्यमाचरेत् । संक्रांतिपातजन्मर्क्षपौर्णमास्यादिसंयुते
ūrje māsi dine puṇye janma naivedyamācaret | saṃkrāṃtipātajanmarkṣapaurṇamāsyādisaṃyute
In the auspicious month of Ūrja (Kārttika), on a holy day, one should perform the birth-day offering (naivedya). This is especially enjoined when it coincides with a saṅkrānti (solar ingress), the sacred pāta moment, one’s birth-star (janma-nakṣatra), the full-moon (paurṇamāsī), and similar sacred conjunctions.
Suta Goswami (narrating the Vidyeshvara/Vishveshvara Samhita teachings to the sages at Naimisharanya)
Tattva Level: pashu
Shiva Form: Umāpati
It teaches that devotion becomes especially fruitful when aligned with sacred time—Kārttika (Ūrja) and powerful calendrical conjunctions—so that the offering to Shiva is made with heightened purity, intention, and merit.
Naivedya is a Saguna act of loving service (upacāra) to Shiva as worshipped in the Linga; offering food at auspicious times strengthens bhakti and supports inner steadiness, which Shaiva Siddhanta views as a means toward Shiva’s grace.
Perform Shiva-naivedya (with clean preparation and mantra), ideally on Kārttika holy days and on saṅkrānti/paurṇimā/janma-nakṣatra; accompany it with japa of the Panchakshara (Om Namaḥ Śivāya) and simple, sattvic observance.