उपोष्या द्वादशी पुण्या पक्षयोरुभयोरपि । एष वो निर्णयः प्रोक्तो मया शास्त्रविनिर्णयात् ॥ ३१ ॥
upoṣyā dvādaśī puṇyā pakṣayorubhayorapi | eṣa vo nirṇayaḥ prokto mayā śāstravinirṇayāt || 31 ||
शुक्ल व कृष्ण—दोन्ही पक्षांत पुण्य द्वादशीचा उपवास करावा. शास्त्रनिर्णयानुसार मी तुम्हाला हा निर्णय सांगितला आहे॥३१॥
Narada
Vrata: Dvādaśī-vrata
Primary Rasa: shanta
Secondary Rasa: none
It establishes that observing the Dvādaśī fast is a consistently meritorious dharmic practice in both lunar fortnights, emphasizing reliability and scriptural authority in vrata observance.
By grounding the fasting rule in śāstra-vinirṇaya, it frames vrata as disciplined devotion—an orderly, scripture-aligned practice commonly associated with sustaining Viṣṇu-bhakti through tithi-based worship and restraint.
It highlights calendrical and ritual precision tied to tithi (lunar day) reckoning—practical dharma/kalpa-style decision-making used to determine when a vow like Dvādaśī should be observed across both pakṣas.