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Tripurotsava 2028 (popularly Dev Diwali)

The Tripurotsava, popularly Dev Diwali or Dev Deepawali, in 2028: lamps given at dusk on the Kārtika Pūrṇimā, best known on the ghats of Varanasi. The day and its pradoṣa time for your city.

Kartika, Purnima

Dev Diwali in Delhi

Wednesday, 1 November

Dev Diwali is in 745 days. In Delhi, the Pūrṇimā holds all of Wednesday’s pradoṣa and none of Thursday’s, so Dev Diwali is on Wednesday.

Lamps, pradoṣa17:34 – 20:10
PūrṇimāWed 13:08 – Thu 14:47

Nirṇaya-sindhu pp. 311⁠–⁠312

How the day is chosen

At dusk on the Kārtika Pūrṇimā the Tripurotsava is held and lamps are given in temples. The Pūrṇimā current at dusk decides the day. If it is current at dusk on both days, or on neither, the later day is taken, as the Kārtika Pūrṇimā is taken on the later day. We take dusk as pradoṣa, the three muhūrtas after sunset: our reading. Nirṇaya-sindhu pp. 311⁠–⁠312

Wednesday or Thursday in Delhi

Delhi time

In Delhi, the Pūrṇimā runs from Wed 13:08 to Thu 14:47: the Pūrṇimā holds all of Wednesday’s pradoṣa and none of Thursday’s, so Dev Diwali is on Wednesday. Nirṇaya-sindhu pp. 311⁠–⁠312

The lamps

At dusk on the Pūrṇimā the Tripurotsava is held and lamps are given in temples, with a verse that whatever sees the lamp, insect, moth, mosquito, tree or any creature of water or land, is not born again. Nirṇaya-sindhu p. 312 (Bhārgavārcana-dīpikā)

The Vratarāja, citing the Sanatkumāra-saṃhitā, tells why: after a three-day battle Rudra (Śiva) killed the demon Tripura with a single arrow, and on the Kārtika Pūrṇimā all the gods praised him and offered lamps to Hara. So lamps are given on this day to please Hara, and the dusk festival of lamps is called the great festival of Tripura. Vratarāja f. 317 (Sanatkumāra-saṃhitā)

The Dharmasindhu gives the same lamp-gift for this day. It adds that the Pūrṇimā is especially holy with Kṛttikā, and with Rohiṇī it is the mahā-kārtikī; the bull-release and the other great gifts belong to it. Dharmasindhu p. 84

Karthigai Deepam, the Tamil lamp festival (popular practice), falls on Friday, 1 December.

Dev Diwali 2028 around the world

Each city’s own sunrise and sunset
Wednesday, 1 November
  • DelhiLamps 17:34 – 20:10
  • VaranasiLamps 17:15 – 19:50
  • MumbaiLamps 18:03 – 20:35
  • KolkataLamps 16:57 – 19:30
  • ChennaiLamps 17:41 – 20:09
  • BengaluruLamps 17:51 – 20:20
  • HyderabadLamps 17:43 – 20:14
  • AhmedabadLamps 18:00 – 20:33
  • PuneLamps 18:00 – 20:31
  • JaipurLamps 17:42 – 20:17
  • LucknowLamps 17:22 – 19:57
  • LondonLamps 16:31 – 19:24
  • New York CityLamps 17:50 – 20:34
  • TorontoLamps 18:06 – 20:52
  • DubaiLamps 17:36 – 20:11
  • SingaporeLamps 18:49 – 21:12
Thursday, 2 November
  • SydneyLamps 19:23 – 20:17
Why the date differs In Delhi, Varanasi, Mumbai, Kolkata, Chennai, Bengaluru, Hyderabad, Ahmedabad, Pune, Jaipur, Lucknow, London, Dubai and Singapore, the Pūrṇimā is current at Wednesday’s pradoṣa and not at Thursday’s, so Dev Diwali is on Wednesday. In New York City and Toronto, the Pūrṇimā is current at Wednesday’s pradoṣa and not at Tuesday’s, so Dev Diwali is on Wednesday. In Sydney, the Pūrṇimā is current at pradoṣa on both Wednesday and Thursday, so Dev Diwali is on the later day, Thursday. Nirṇaya-sindhu pp. 311⁠–⁠312

Other years: Dev Diwali 2026, Dev Diwali 2027; all Dev Diwali dates.

Questions

From the Nirṇaya-sindhu pp. 311⁠–⁠312, with the page for each.

When is Dev Diwali 2028?

In Delhi, on Wednesday, 1 November 2028, with the lamps at pradoṣa, 17:34 to 20:10. In Sydney, it is Thursday, 2 November. Nirṇaya-sindhu pp. 311⁠–⁠312

What time are the lamps lit?

At dusk, while the Pūrṇimā runs: in Delhi in 2028, 17:34 to 20:10. The texts say dusk; we show pradoṣa, the three muhūrtas after sunset, cut short where the Pūrṇimā begins or ends inside it, as our reading. Nirṇaya-sindhu p. 312

Is Dev Diwali the same day as Kartik Purnima?

Not in 2028. In Delhi, Dev Diwali is on Wednesday, 1 November, when the Pūrṇimā is current at dusk, and the Kārtika Pūrṇimā fast on Thursday, 2 November, the later day, joined to the next Pratipadā. Purnima November 2028

Why is it called Tripurotsava?

The Vratarāja, citing the Sanatkumāra-saṃhitā, tells why: after a three-day battle Rudra (Śiva) killed the demon Tripura with a single arrow, and on the Kārtika Pūrṇimā all the gods praised him and offered lamps to Hara. So lamps are given on this day to please Hara, and the dusk festival of lamps is called the great festival of Tripura. Dev Diwali and Dev Deepawali are popular names, found in none of the texts read. Vratarāja f. 317 (Sanatkumāra-saṃhitā)

Why is the date different in the US or UK?

Dev Diwali is decided by the Pūrṇimā at dusk at the city. The tithi begins and ends at the same moment everywhere, but sunrise and sunset come at different hours, so a city far to the west or east can keep another day. Nirṇaya-sindhu pp. 311⁠–⁠312

How the day is found

Read the methodology
The day
The Kārtika Pūrṇimā current at dusk. If it is current at dusk on both days, or on neither, the later day is kept. Nirṇaya-sindhu pp. 311⁠–⁠312; Dharmasindhu p. 84.
Dusk
Pradoṣa, the three muhūrtas after sunset, while the Pūrṇimā runs: our reading of the texts’ dusk (sandhyā).
The name
Tripurotsava in the texts, after the demon Tripura, whom Śiva killed (Vratarāja f. 317). Dev Diwali and Dev Deepawali are popular names, found in none of them.
Sunrise and sunset
At the centre of the Sun’s disc, with refraction, for the chosen city. Every date is that city’s own.

Sunrise and sunset at the centre of the Sun’s disc, with refraction · Lahiri ayanamsa for month names · each city’s own time · Swiss Ephemeris · Method