Dīpāvalī-nirṇaya: The Śāstric Determination of Lakṣmī Pūjā Day

Dīpāvalī-nirṇaya

The Determination of the Day for Dīpadāna and Lakṣmī Pūjā on Āśvina Amāvāsyā

Pundit Mahesh Shastriji, Pañcāṅga Kartā and Siddhānti, mypanchang.com

Abstract

The rule, in brief: if Amāvāsyā spans Pradoṣa on either candidate day, that day is taken. If neither day's Amāvāsyā spans Pradoṣa, the later (Para) day may still be taken if the other conditions below are met. In most years the first branch settles it cleanly. The difficulty is the second branch — a real and recurring case, since Amāvāsyā, like any tithi, does not stay aligned to a fixed clock time year to year. Puruṣārtha Cintāmaṇi supplies the resolving rule for this case, comparing how much of the night each candidate tithi covers rather than whether either one reaches Pradoṣa exactly. Dharmasindhu restates and applies this same rule directly under its own Āśvina-māsa determination, and Tithinirṇaya independently states, in its own translation, that "in case of both Amāvāsyā and Pūrṇimā, Para [the later day] is desirable". This article gives the rule, the actual ślokas, their translation, and worked examples.

Part One: The Rule

1.1 The ordinary case

If Āśvina Amāvāsyā covers Pradoṣa Kāla on one of the two candidate days, Dīpadāna (the lighting of lamps), Ulkā-darśana and Lakṣmī Pūjā are performed on that day; Abhyaṅga-snāna (the ritual oil bath) is taken the following day, on Pratipadā. This is Dharmasindhu's own statement:

Translation: "On Āśvina Amāvāsyā, morning Abhyaṅga [and worship] and, at Pradoṣa, Dīpadāna and Lakṣmī Pūjā etc. are prescribed... And so, whether Pradoṣa-vyāpti falls on the following day, or on both days, [the tithi ruling] the earlier and later [Pradoṣa] alike: Lakṣmī Pūjā etc. [are taken] on the earlier, Abhyaṅga-snāna etc. on the later, day."

1.2 The difficult case — neither day covers Pradoṣa cleanly

Even when Amāvāsyā does not cover Pradoṣa fully on either day, the determination still stands: Dharmasindhu is explicit that "the same determination should be understood" in this case too, and it grounds this directly in Puruṣārtha Cintāmaṇi's own rule, which turns on a comparison of durations rather than a single yes/no test against Pradoṣa:

• If Pradoṣa on the first day is covered by Amāvāsyā, and on the second day Amāvāsyā extends for slightly less than three Yāmas (roughly nine hours) from the following sunrise, and Pratipadā on that second day extends for a full three Yāmas — the observance is taken on the first (earlier) day.
• If instead Amāvāsyā on the second day extends for a full three Yāmas, and the Pratipadā following it extends for three-and-a-half Yāmas — the observance is taken on the second (later) day.

In practice, this means: when Amāvāsyā's presence on the second day is substantial (three Yāmas or more) and Pratipadā that follows it is even longer (three-and-a-half Yāmas), the balance of evidence favours the later day, even without a clean Pradoṣa-touch. This is the case worked through with real city examples in Part Three.

Two further points support taking the second day in this situation:

• Yugma Vākya: a separately named verse-tradition on tithi-pairing states that this specific Amāvāsyā-Pratipadā Yugma (pairing) is itself auspicious.
• Sākalyapādita tithi: a tithi that extends into (prevails till) the next day is considered Sākalyapādita, "fully established," once it covers at least three Muhūrtas — a lower bar than, and distinct from, the three-Yāma threshold above. Since Amāvāsyā's second-day coverage in this situation is already three Yāmas or more, it clears this Sākalyapādita floor comfortably, which is offered as separate supporting confirmation that this is a genuine continuation of the tithi, not a bare touch — not as the operative rule itself, which remains Puruṣārtha Cintāmaṇi's Yāma-comparison.

1.3 The three-day span and its best day

Dharmasindhu also records that the three days beginning with Caturdaśī are together named Dīpāvalī, and that among these three, the day on which the Svātī Nakṣatra yoga falls is considered the most auspicious — with a further custom recorded for the Amāvāsyā night itself:

Translation: "Of the three days beginning with Caturdaśī, named Dīpāvalī, whichever day carries the yoga of Svātī Nakṣatra, that day's excellence [is praised]. On this same [Amāvāsyā] night, after midnight, the women of the town should drive out Alakṣmī from the courtyard of their own home."

Part Two: The Sources, in Their Own Words

2.1 Puruṣārtha Cintāmaṇi

Translation: "When, having begun from the evening [of the first day] and continuing into the next day, Amāvāsyā [lasts] slightly less than three Yāmas, and on that [next] day Pratipadā extends for a full three Yāmas — then the Dīpadāna, Lakṣmī Pūjā, etc. prescribed on account of Amāvāsyā [are performed] on the earlier [day]. But when on the second day Amāvāsyā [lasts] a full three Yāmas, and thereafter Pratipadā [lasts] three-and-a-half Yāmas — then the later [day is taken]."

2.2 Dharmasindhu's own ruling

Sense, per the accompanying Marāṭhī gloss: On Āśvina Amāvāsyā, morning Abhyaṅga [oil bath] and, at Pradoṣa, Dīpadāna and Lakṣmī Pūjā are prescribed. If Amāvāsyā covers Pradoṣa on that day, Lakṣmī Pūjā etc. are taken on that day and Abhyaṅga on the next. Even where Pradoṣa-vyāpti is not present on either day, the same determination is understood — and Dharmasindhu grounds this directly in Puruṣārtha Cintāmaṇi's Yāma-comparison rule quoted above: from it, the conclusion follows that even without a Pradoṣa-touch, if the second day's Amāvāsyā-vyāpti is more than three-and-a-half Prahara, taking the second day is fitting.

2.3 Tithinirṇaya's general principles

Tithinirṇaya does not treat Dīpāvalī as a separately named case, but it states the same two-tier rule directly:

Translation: "This [tithi], which pervades Pradoṣa, should be taken. When [its presence] is uncertain on both days, the later [day] is taken."

This is the same principle its own English rendering states for Amāvāsyā and Pūrṇimā specifically — "in case of both Amāvāsyā (new moon) and Pūrṇavāsyā (full moon), Para [the later day] is desirable" — independently confirming the direction Puruṣārtha Cintāmaṇi's Yāma-comparison points to when the second day's Amāvāsyā is substantial. This is a general Amāvāsyā/Pūrṇimā rule, not one devised specifically for Dīpāvalī: the same principle governs, for their own respective tithis, festivals such as Holi and Dev Dīpāvalī (Pūrṇimā) and Kojāgirī/Śarad Pūrṇimā (also Pūrṇimā).

Part Three: Worked Examples

The following examples are illustrative applications of the rule above for specific cities and years, worked through the actual sunrise/sunset/tithi-end times for each place.

Times shown are local clock times for each city. Where Amāvāsyā's end time falls at or after the start of Pradoṣa, the direct rule of Part 1.1 applies; the Yugma comparison of Part 1.2 is the deciding factor only where it does not.

Conclusion

The determination of Dīpāvalī's Lakṣmī Pūjā day is not, as it is sometimes presented, a single mechanical check of "does Amāvāsyā touch sunset." It is a two-tier rule: a direct Pradoṣa-coverage test where that is clean, and, where it is not, a comparison of how substantially each candidate tithi occupies the relevant window — codified by Puruṣārtha Cintāmaṇi, restated as settled doctrine by Dharmasindhu, and consistent with the general Vidha principles Tithinirṇaya lays down for Amāvāsyā and Pūrṇimā alike. This mypanchang.com computes the exact sunrise, sunset and tithi-end times for each city, applies this same rule, and gives the day accordingly.

Bibliography

• Puruṣārtha Cintāmaṇi
• Dharmasindhu (धर्मसिन्धु), Dvitīya Paricheda, Āśvina-māsa-kṛtya-nirṇaya — composed by Kāśīnāthopādhyāya, son of Anantopādhyāya, Śaka 1712, Paṇḍharpūr
• Tithinirṇaya (Saṃkṣepa Dharmaśāstra), chapter on tithi determination
• Yugma Vākya, on Amāvāsyā-Pratipadā pairing

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