Observed on Kartika Shukla 15th.
The tithi window is the period during which this festival's defining lunar phase is active. Times are in Nikko local clock.
Kartik Purnima / Dev Diwali is one of the festivals observed in the Hindu calendar. A detailed account of its mythology, significance, and rituals is being prepared.
Computed for Nikko (Asia/Tokyo) using local sunrise, sunset and astronomical positions.
Other observances and vrats falling in November 2026, with dates computed for Nikko.
A more detailed account of Kartik Purnima / Dev Diwali — its mythology, regional variations, and rituals — is being prepared.