Kāla-Māna of the Trimūrti

Kāla-māna means “the measure of time”. The Trimūrti are the three great forms of the Divine who create, protect and dissolve the universe: Brahmā, Viṣṇu and Rudra. Chapter 10 of the Rudra Saṃhitā of the Śiva Purāṇa sets out a ladder of time scales. Each member of the Trimūrti lives within a span of time that is only a single unit on the scale of the next one above. The ladder ends with Sadāśiva, whose breath is beyond all measure.

Śiva gives this teaching directly to Viṣṇu and Brahmā straight after the Liṅgodbhava, the event in which Śiva appeared as an endless pillar of light. It sets out that Sadāśiva stands above all time in the universe.

The Ladder of Time Scales

Brahmā’s Time Scale

• 1,000 mahāyugas (a mahāyuga is one full round of the four ages) = one day (divya-dina) of Brahmā
• 1,000 mahāyugas = one night of Brahmā
• 30 such days = one month of Brahmā
• 12 months = one year of Brahmā
• 100 such years = Brahmā’s whole lifespan (āyus)

Viṣṇu’s Time Scale

• 1 year of Brahmā = 1 day of Viṣṇu
• Counting in the same way (30 days = 1 month; 12 months = 1 year), 100 such years = Viṣṇu’s whole lifespan

This means one day of Viṣṇu matches 36,000 mahāyugas (100 mahāyugas × 360 days = a year of Brahmā; 1 year of Brahmā = 1 day of Viṣṇu). So Viṣṇu’s whole lifespan is unthinkably vast by human counting.

Rudra’s Time Scale

• 1 year of Viṣṇu = 1 day of Rudra
• 100 such years = Rudra’s whole lifespan in his human-like form (nara-rūpa)

Sadāśiva’s Time Scale: Beyond Measure

• Rudra’s entire lifespan of 100 years = one ucchvāsa (a single out-breath) of Sadāśiva
• After this out-breath, Rudra stays absorbed (laya) in Sadāśiva’s śakti (power) for the length of one niḥśvāsa (in-breath)
• Sadāśiva’s breaths have no count and no measure. This is why he is called akṣaya, the inexhaustible, the imperishable

The text declares:

“Sadāśiva’s niḥśvāsocchvāsas have no reckoning. Therefore he is called akṣaya.”

The Breath Count of All Beings

The same chapter also sets the rate of breathing as a standard unit of time for all beings:

• 21,600 breath cycles (pairs of out-breath and in-breath) = one day. This holds for all beings alike: Brahmā, Viṣṇu, Rudra, gandharvas (heavenly beings), those who live in Pātāla (the lower worlds), rākṣasas, and all mortal creatures
• 6 breath cycles = one pala
• 60 palas = one ghaṭī
• 60 ghaṭīs = one day

This sets up a shared time of the living body that joins all living beings together, while the ladder of time scales above sets them apart by their place in the universe. Even the Trimūrti breathe at the same rate as ordinary mortals. What differs is how their days measure against one another.

What the Teaching Shows

This teaching on time scales has a clear purpose within the Rudra Saṃhitā:

1. Śiva stands above all. By showing that Rudra’s whole lifespan is one breath of Sadāśiva, the text shows that even the highest member of the Trimūrti lives within a span of time that is less than a moment to Sadāśiva. This is not only a statement about the universe. It is the ground of the Śaiva teaching that Śiva alone is Parabrahman, the Supreme.

2. The cycle of dissolution. After each out-breath, Rudra is absorbed into Sadāśiva’s śakti for one in-breath. This breathing of Sadāśiva is the final pralaya (dissolution) cycle, beyond all the ordinary dissolutions over which Rudra himself presides. Rudra dissolves worlds; Sadāśiva’s breath dissolves Rudra.

3. Śiva’s command to Viṣṇu (Chapter 10). This teaching on the measure of time is set within Śiva’s direct instruction to Viṣṇu after the Liṅgodbhava. There Śiva gives Viṣṇu the task of protecting creation and taking avatāras. By first laying out this ladder of time, Śiva shows that Viṣṇu’s role in the universe is given to him by a Being who stands beyond all time.

Summary Table

Sources

• Śiva Purāṇa, Rudra Saṃhitā, Sṛṣṭi Khaṇḍa, Chapter 10