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 ||
No mês de Kārttika, o nono tithi puro (Navamī), e no mês de Māgha, o décimo quinto tithi (Paurṇimā, lua cheia), são declarados dias ‘Yugādi’. As dádivas (dāna) oferecidas nessas ocasiões dizem produzir mérito akṣaya, imperecível.
Sanatkumara (teaching Narada)
Vrata: Yugādi (dāna-focused observance days)
Primary Rasa: shanta
Secondary Rasa: adbhuta
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.