उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
यस्य यद्विहितं कर्म तत्कुर्वन्मत्प्रियः सदा सन्ध्या संध्योपासनशीलः स्यात् सायं प्रातः प्रसन्नधीः
yasya yadvihitaṃ karma tatkurvanmatpriyaḥ sadā sandhyā saṃdhyopāsanaśīlaḥ syāt sāyaṃ prātaḥ prasannadhīḥ
ผู้ใดปฏิบัติกรรมที่กำหนดไว้ตามฐานะของตน ผู้นั้นย่อมเป็นที่รักของเราเสมอ ขอให้เขามีความเพียรในสันธยาและสันธยาอุปาสนา มีจิตผ่องใสสงบทั้งยามเย็นและยามรุ่งอรุณ
Suta Goswami (narrating Shaiva dharma as taught within the Linga Purana’s discourse)
It grounds Linga-bhakti in śāstric discipline: by faithfully doing one’s prescribed nitya-karmas—especially Sandhyā-upāsanā—the devotee becomes “dear to Śiva,” making worship efficacious through purity and regularity.
Śiva is presented as Pati (the Lord) who responds to inner clarity and right conduct; devotion is not merely emotional but aligned with dharma that loosens pasha (bondage) by steadying the pashu (individual soul).
Sandhyā and Sandhyā-upāsanā—twilight worship at dawn and dusk—emphasizing prasanna-dhī (a serene intellect), a key support for Pāśupata-oriented purification and steadiness in practice.