Narada Purana — Purva Bhaga, Shloka 16
The Account of the Third-day Vow Observed through the Twelve Months
Tṛtīyā-vrata
अथ ज्येष्ठतृतीया तु शुक्ला रंभेति नामतः । तस्यां सभार्यं विधिवत्पूजयेद्वाह्मणोत्तमम् ॥ १६ ॥
atha jyeṣṭhatṛtīyā tu śuklā raṃbheti nāmataḥ | tasyāṃ sabhāryaṃ vidhivatpūjayedvāhmaṇottamam || 16 ||
如今，在阇耶什陀月的白分第三日（tṛtīyā）名为“兰婆（Rambhā）”。于此日，应依仪轨如法礼敬一位卓越的婆罗门，并连同其妻一并供奉。
Narada
Vrata: Rambhā-vrata (inferred from subsequent verses; here the tithi is named Rambhā)
Primary Rasa: shanta
Secondary Rasa: bhakti
FAQs
It teaches that specific tithis (lunar days) have named observances, and that honoring a worthy Brāhmaṇa couple on such a day is a dharmic act that supports merit (puṇya) and ritual purity.
By prescribing respectful worship performed ‘vidhivat,’ it frames devotion as expressed through reverence, service, and sacred hospitality—practical bhakti embodied in honoring dharmic representatives.
It relies on calendrical discipline (tithi and pakṣa reckoning, connected with Jyotiṣa/Vedāṅga) and correct ritual procedure (‘vidhivat’), emphasizing rule-based performance of vrata practices.