Narada Purana — Purva Bhaga, Shloka 114
The Exposition of the Dvādaśī Vow for the Twelve Months
Dvādaśī-vrata-nirṇaya and Mahā-dvādaśī Lakṣaṇas
यदा त्वाषाढशुक्लायां द्वादश्यां मैत्रभं भवेत् । तदा व्रतद्वयं कार्य्यं न दोषोऽत्रैकदैवतम् ॥ ११४ ॥
yadā tvāṣāḍhaśuklāyāṃ dvādaśyāṃ maitrabhaṃ bhavet | tadā vratadvayaṃ kāryyaṃ na doṣo'traikadaivatam || 114 ||
جب آषاڑھ کے شُکل پکش کی دْوادشی میتر نکشتر سے یُکت ہو، تب دونوں ورت ادا کیے جائیں؛ اس مشترک ودھی میں ایک ہی اَدھیدیوَتا ماننے میں کوئی دوش نہیں۔
Narada (teaching in a vrata/kalā-nirṇaya context, traditionally within Narada–Sanatkumara dialogue framing)
Vrata: Dvādaśī-vrata (with instruction to perform vratadvaya—two observances—when the calendrical condition occurs)
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It teaches that correct timing (tithi–nakṣatra alignment) can authorize combining observances, preserving dharma while maintaining the intended devotional merit of the vows.
By emphasizing vrata-performance on auspicious calendrical conditions, it supports disciplined worship—typically oriented to Viṣṇu on Dvādaśī—where devotion is expressed through regulated, scripture-guided practice.
Jyotiṣa (Vedāṅga astrology): it uses tithi (Dvādaśī) and nakṣatra (Maitra/Anurādhā) to decide ritual procedure, including when two vratas may be performed together without doṣa.