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 ||
在迦尔提迦月(Kārttika),清净的第九月日(Navamī);在摩伽月(Māgha),第十五月日(满月,Paurṇimā)——皆被宣说为“瑜伽始日”(Yugādi)。于此时布施(dāna),据说能成就不坏之福德(akṣaya)。
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.