Sandhyā

Sandhyā refers to the transitional periods of the day—dawn, midday, and dusk—and the ritual worship (Sandhyāvandana) performed at these times. It is a daily obligatory practice (nitya-karma) for dvijas, involving prāṇāyāma, mantra recitation, and the offering of arghya (water oblation) to Sūrya. It is considered the foundational daily duty in the Dharmaśāstra tradition.

Sandhyā represents the sacred threshold where opposites dissolve—light into darkness, activity into stillness. By aligning one's awareness with these cosmic transitions, the practitioner harmonizes the individual self (jīvātman) with the rhythms of creation. The Gāyatrī mantra chanted during Sandhyā is understood as an invocation of the inner light of consciousness (savitṛ) that illumines the buddhi.

At the highest level, Sandhyā points to the eternal junction (nitya-sandhi) between the manifest and the unmanifest, the space where Brahman ceaselessly becomes the world and the world resolves back into Brahman. The Māṇḍūkya tradition identifies this with turīya—the fourth state of consciousness that pervades and transcends waking, dream, and deep sleep. True Sandhyā is the unbroken awareness of this junction, not limited to any hour of the clock.