Every Day Is a Festival
Nityotsavam (Sanskrit: nitya = daily/constant + utsava = festival) expresses the temple ideal that Bhagavān's daily worship is itself an ongoing festival. The arcā form is awakened, bathed or purified according to the appointed procedure, adorned, offered food, praised, shown lamps, and put to rest through recurring services. Annual brahmotsavams and other major festivals add extraordinary processions and observances, while nityotsavam is the regular daily rhythm of service.
Daily Temple Services
Depending on the governing Āgama and the custom of the particular temple, the day may include dawn, morning, midday, evening and night services under locally established names. The number, sequence and content are not identical in every Śrī Vaiṣṇava temple. This temple schedule is also distinct from the devotee's pañca-kāla discipline of abhigamana, upādāna, ijyā, svādhyāya and yoga.
The Temple as Bhagavān's Living Home
The theology of nityotsavam treats the temple as Bhagavān's living residence rather than a building opened only for occasional ceremonies. Arcakas, paricārakas, Prabandham reciters, musicians, flower gatherers, cooks and other kainkaryaparas participate according to the temple's arrangement. Their recurring service makes each day a new occasion for Bhagavad-anubhava.
At Home
Daily tiruvārādhanam in an initiated Śrī Vaiṣṇava household reflects the same spirit of regular kainkaryam. Sandhyāvandanam and other nitya-karmas retain their own Vedic identity; they are not simply items in a temple nityotsava schedule.