Narada Purana — Purva Bhaga, Shloka 47
Tithi-Nirṇaya for Vratas: Ekādaśī Rules, Saṅkrānti Punya-kāla, Eclipse Observances, and Prāyaścitta
विद्धाप्येकादशी ग्राह्या परतो द्वादशी न चेत् । अविद्धापि निषिद्धैव परतो द्वादशी यदि ॥ ४७ ॥
viddhāpyekādaśī grāhyā parato dvādaśī na cet | aviddhāpi niṣiddhaiva parato dvādaśī yadi || 47 ||
Dẫu tithi Ekādaśī bị “xuyên” (chồng lấn bởi tithi khác), vẫn nên thọ trì nếu ngày hôm sau không có Dvādaśī. Nhưng ngay cả Ekādaśī “không xuyên” cũng phải loại bỏ nếu ngày hôm sau có Dvādaśī.
Sanatkumara (teaching Narada the Ekadashi-vrata rules)
Vrata: Ekādaśī-vrata
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It emphasizes that correct vrata-timing (tithi-dharma) is part of devotion: Ekādaśī is not merely a date, but a disciplined observance aligned with the lunar tithi sequence, protecting the sanctity of the vow.
By prioritizing the proper Ekādaśī observance rules, the verse frames bhakti as regulated worship—steadfast devotion expressed through faithful adherence to Vaiṣṇava vrata injunctions rather than personal convenience.
It highlights jyotiṣa-based tithi determination (calendar/astronomical calculation) used for deciding vrata days—especially the technical distinction of viddhā/aviddhā Ekādaśī in relation to the presence of next-day Dvādaśī.