Narada Purana — Purva Bhaga, Shloka 29
The Narration of the Navamī Vow Observed Across the Twelve Months
एकभक्तपरो विप्र वाजपेयफलाप्तये । माघमासे तु वा शुक्ला नवमी लोकपूजिता ॥ २९ ॥
ekabhaktaparo vipra vājapeyaphalāptaye | māghamāse tu vā śuklā navamī lokapūjitā || 29 ||
婆羅門よ、一日一食の誓い（エーカバクタ）に専心する者は、ヴァージャペーヤ祭の果報を得る。マーガ月には、白分の第九日（シュクラ・ナヴァミー）が世に広く尊ばれる。
Narada
Vrata: Ekabhakta-vrata connected to Navamī observance (explicit ekabhakta; Navamī praised)
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It elevates a simple austerity—observing ekabhakta (one meal a day)—to the level of producing the merit traditionally associated with a major Vedic soma-sacrifice (Vājapeya), highlighting accessible dharma through vrata.
By praising disciplined observance (vrata) and reverence for sacred time (tithi), the verse implies that sincere, steady practice can yield great spiritual merit—an approach often integrated with Vishnu-bhakti in Purāṇic dharma.
It relies on calendrical ritual knowledge—tithi and māsa observance (Jyotiṣa Vedāṅga)—specifically the Māgha month and Śukla Navamī as a ritually potent time.