Onam 2024 Date And Celebrations 2024. Onam 2024 will begin on 6 september and end on 17 september, with the main date of thiruvonam on 15 september. Onam is celebrated on dwadashi tithi of shukla paksha in the month of bhadrapada and under shravana nakshatra.

Thiruvonam dates varies yearly based on the malayalam calendar. It falls on september 15, 2024, and marks the return of king mahabali and the start of.