Narada Purana — Purva Bhaga, Shloka 51
Varṇāśrama Saṁskāras, Upanayana Windows, Brahmacārin Ācāra, and Anadhyāya Prohibitions
कार्त्तिके नवमी शुद्धा माघे पंचदशी तिथिः । एता युगाद्याः कथिता दत्तस्याक्षयकारिकाः ॥ ५१ ॥
kārttike navamī śuddhā māghe paṃcadaśī tithiḥ | etā yugādyāḥ kathitā dattasyākṣayakārikāḥ || 51 ||
In Kārttika, the pure ninth lunar day (Navamī), and in Māgha, the fifteenth lunar day (Paurṇimā), are declared as ‘Yugādi’ days; gifts given on these occasions are said to yield akṣaya merit, imperishable.
Sanatkumara (teaching Narada)
Vrata: Yugādi (dāna-focused observance days)
Primary Rasa: shanta
Secondary Rasa: adbhuta
FAQs
It identifies specific auspicious lunar dates (Yugādi tithis) on which dāna (charitable giving) becomes akṣaya—its spiritual merit is said to remain undiminished and continually fruitful.
By emphasizing sacred timing for selfless giving, it supports bhakti-oriented dharma: offerings made with faith on holy tithis are treated as especially potent, nurturing devotion through disciplined, heartfelt charity.
It applies calendrical science (Jyotiṣa/Vedic time-reckoning) through tithi-identification—Navamī in Kārttika and Pañcadaśī in Māgha—as practical guidance for ritual timing and dāna-phala.