Kālajñāna (Knowledge of Time) and Mṛtyu-cihna (Signs of Death): Śiva’s Instruction to Umā
शिरोहीनां यदा छायां स्वकीयामुपलक्षयेत् । अथवा छायया हीनं मासमेकं न जीवति
śirohīnāṃ yadā chāyāṃ svakīyāmupalakṣayet | athavā chāyayā hīnaṃ māsamekaṃ na jīvati
ஒருவன் தன் நிழலைத் தலைஇல்லாததாகக் காணின், அல்லது நிழலே இல்லாதவனாகின், அவன் ஒரு மாதம்கூட உயிர்வாழான்।
Suta Goswami (narrating Shiva Purana teachings to the sages, Umāsaṃhitā context)
Tattva Level: pashu
Shiva Form: Mahādeva
Cosmic Event: nimitta-śāstra style omen: shadow anomalies as impending death
It underscores bodily impermanence and the certainty of time (kāla), urging the seeker to turn from fear and omens toward steady Shiva-bhakti and inner purity, since the Self’s refuge is Pati (Shiva), not the perishing body.
As a warning of life’s fragility, it indirectly presses the devotee to take shelter in Saguna Shiva—worshiping the Shiva-Linga with devotion—so that the mind becomes anchored in Shiva rather than anxious about external signs.
A practical takeaway is daily Panchakshara japa ("Om Namaḥ Śivāya") with calm remembrance of Shiva, along with simple Shaiva observances such as Tripuṇḍra (bhasma) and devotion-centered conduct to stabilize the mind in the face of mortality.