Onam 2025: Onam, a 10-day Hindu festival, starts on August 26 and ends with Thiruvonam on September 5. Know the timings, rituals, and more. When is Onam 2025 ? In 2025 , Onam celebrations will commence on Tuesday, August 26, and end on Friday, September 05, 2025 . The most special and celebrated day falls on September 05. According to Drik Panchang, Thiruvonam Nakshathram commences on September 4 from 11:44 pm and concludes on September 5 at 11:38 pm. Onam is celebrated to mark the end of the monsoon and the start of the harvest season. According to legend, it also honours the return of the demon King Mahabali. Onam 2025 will be celebrated on September 5 . (Image: Shutterstock) According to Drik Panchang, Onam 2025 starts with Athachamayam on August 26, marking the beginning of the grand festival. Below, find out the full schedule of Onam 2025 festivities:
