Shloka 29
Tithi-vicara
Determination of Tithi for Fasts, Parana, and Pitri Rites
रविचन्द्रार्कजाहं तु तदोपोष्यं परं दिनम् । बह्वा गमविरोधेषु ब्राह्मणेषु विवादिषु ॥ २९ ॥
ravicandrārkajāhaṃ tu tadopoṣyaṃ paraṃ dinam | bahvā gamavirodheṣu brāhmaṇeṣu vivādiṣu || 29 ||
但若斋戒之日恰逢星期日、星期一或星期六，则应在次日持斋——尤其当众多婆罗门因诸《阿伽摩》（āgama）权威相互冲突而争论之时。
Narada
Vrata: Ekādaśī/Dvādaśī upavāsa (exception handling)
Primary Rasa: shanta
Secondary Rasa: vira
FAQs
It emphasizes dharma through correct observance of vrata: when calendrical or scriptural disagreements arise, one should follow a harmonizing rule (fasting on the next day) to preserve the sanctity of the vow and avoid ritual fault.
By prioritizing proper vrata timing even amid disputes, the verse supports steady devotional discipline—showing that bhakti is strengthened through careful, sincere observance rather than argument.
It reflects Jyotiṣa/Vedāṅga-style tithi and weekday considerations (ritual timing), and practical dharma-nirṇaya for resolving āgama-based disagreements about when a fast should be kept.