Narada Purana — Purva Bhaga, Shloka 88
Dvādaśī-vrata: Month-by-month Viṣṇu Worship and the Year-End Udyāpana
पूर्णँ संवत्सरं कृत्वा कुर्यादुद्यापनं व्रती । मार्गशीर्षासिते पक्षे द्वादश्यां च मुनीश्वर ॥ ८८ ॥
pūrṇaṃ saṃvatsaraṃ kṛtvā kuryādudyāpanaṃ vratī | mārgaśīrṣāsite pakṣe dvādaśyāṃ ca munīśvara || 88 ||
पूर्णं संवत्सरं कृत्वा व्रती उद्यापनं कुर्यात्। मार्गशीर्षेऽसितपक्षे द्वादश्यां मुनीश्वर॥
Sanatkumara (addressing Narada)
Vrata: none
Primary Rasa: bhakti
Secondary Rasa: shanta
FAQs
It emphasizes that a vow is spiritually complete only when its udyāpana (formal concluding rite) is performed after the full intended duration, marking disciplined dharma and proper closure of the sādhana.
By prescribing a fixed sacred time (Dvādāśī) for the vow’s conclusion, it aligns devotional practice with Vaishnava observances where Dvādāśī is especially auspicious for completing Vishnu-centered vratas.
Kalpa and Jyotiṣa-style ritual timing: selecting the correct lunar month (Mārgaśīrṣa), fortnight (kṛṣṇa pakṣa), and tithi (Dvādāśī) for udyāpana.