उमामहेश्वरव्रतं—पञ्चाक्षरमन्त्रस्य माहात्म्यं, न्यासः, जपविधिः, सदाचारः, विनियोगः
दारवं तालपर्णं वा आसनं परिकल्पयेत् त्रिसंध्यं तु गुरोः पूजा कर्तव्या हितमिच्छता
dāravaṃ tālaparṇaṃ vā āsanaṃ parikalpayet trisaṃdhyaṃ tu guroḥ pūjā kartavyā hitamicchatā
应备置木制或棕榈叶制的坐具;而欲求真实安乐者,当于三时交会(黎明、正午、黄昏)礼敬供养上师。
Suta Goswami (narrating Shiva-dharma instructions within the Linga Purana)
It establishes that Linga-oriented Shaiva practice is grounded in Guru-sevā: regular worship of the preceptor at the three sandhyās stabilizes purity, mantra-dīkṣā lineage, and correct pujā-vidhi.
By centering worship on the Guru, it implies Shiva-tattva is approached through Pati’s grace mediated by the teacher—right knowledge and practice remove pāśa for the paśu and lead toward liberation.
Trisandhyā observance with Guru-pūjā—daily discipline aligned to liminal times, supporting Pāśupata-style sādhana (regularity, purity, and initiation-based practice).