How the date is decided
Shravana Shukla Purnima, observed on the day the tithi prevails in the afternoon (aparahna), as the almanacs reckon it for New Delhi.
2027: the tithi runs from Mon, 16 Aug 2027, 10:29 AM to Tue, 17 Aug 2027, 12:58 PM (IST).
2028: the tithi runs from Fri, 4 Aug 2028, 11:51 AM to Sat, 5 Aug 2028, 1:39 PM (IST).
Dates follow the common North Indian reckoning for New Delhi and agree with the leading almanacs. Regional calendars can differ by a day; your family’s panchangam has the final word. For your own town’s times, see today’s panchang.