Srimad Bhagavatam — Saptama Skandha, Shloka 21
Gṛhastha-Dharma: How a Householder Attains Liberation by Offering All to Vāsudeva
अयने विषुवे कुर्याद् व्यतीपाते दिनक्षये । चन्द्रादित्योपरागे च द्वादश्यां श्रवणेषु च ॥ २० ॥ तृतीयायां शुक्लपक्षे नवम्यामथ कार्तिके । चतसृष्वप्यष्टकासु हेमन्ते शिशिरे तथा ॥ २१ ॥ माघे च सितसप्तम्यां मघाराकासमागमे । राकया चानुमत्या च मासर्क्षाणि युतान्यपि ॥ २२ ॥ द्वादश्यामनुराधा स्याच्छ्रवणस्तिस्र उत्तरा: । तिसृष्वेकादशी वासु जन्मर्क्षश्रोणयोगूयुक् ॥ २३ ॥
ayane viṣuve kuryād vyatīpāte dina-kṣaye candrādityoparāge ca dvādaśyāṁ śravaṇeṣu ca
One should perform the śrāddha ceremony on the Makara-saṅkrānti [the day when the sun begins to move north] or on the Karkaṭa-saṅkrānti [the day when the sun begins to move south]. One should also perform this ceremony on the Meṣa-saṅkrānti day and the Tulā-saṅkrānti day, in the yoga named Vyatīpāta, on that day in which three lunar tithis are conjoined, during an eclipse of either the moon or the sun, on the twelfth lunar day, and in the Śravaṇa-nakṣatra. One should perform this ceremony on the Akṣaya-tṛtīyā day, on the ninth lunar day of the bright fortnight of the month of Kārtika, on the four aṣṭakās in the winter season and cool season, on the seventh lunar day of the bright fortnight of the month of Māgha, during the conjunction of Maghā-nakṣatra and the full-moon day, and on the days when the moon is completely full, or not quite completely full, when these days are conjoined with the nakṣatras from which the names of certain months are derived. One should also perform the śrāddha ceremony on the twelfth lunar day when it is in conjunction with any of the nakṣatras named Anurādhā, Śravaṇa, Uttara-phalgunī, Uttarāṣāḍhā or Uttara-bhādrapadā. Again, one should perform this ceremony when the eleventh lunar day is in conjunction with either Uttara-phalgunī, Uttarāṣāḍhā or Uttara-bhādrapadā. Finally, one should perform this ceremony on days conjoined with one’s own birth star [janma-nakṣatra] or with Śravaṇa-nakṣatra.
The word ayana means “path” or “going.” The six months when the sun moves toward the north are called uttarāyaṇa, or the northern path, and the six months when it moves south are called dakṣiṇāyana, or the southern path. These are mentioned in Bhagavad-gītā (8.24-25). The first day when the sun begins to move north and enter the zodiacal sign of Capricorn is called Makara-saṅkrānti, and the first day when the sun begins to move south and enter the sign of Cancer is called Karkaṭa-saṅkrānti. On these two days of the year, one should perform the śrāddha ceremony.
FAQs
In Canto 7, Chapter 14, Śukadeva lists particular tithis and seasons as especially suitable for performing prescribed sacred observances and duties for spiritual benefit.
He is instructing Parīkṣit on ideal household religious practice (gṛhastha-dharma), including when to perform time-honored observances that purify life and support devotion.
Choose a few key tithis (like Kārtika observances) for extra japa, charity, temple worship, and sāttvika living, using the calendar as a rhythm for consistent devotion.