Onam 2024 Dates. Onam is the biggest annual harvest and cultural festival of kerala where the traditions, cultures and community events go along for ten long days.the. This year, onam 2024 starts on friday, september 6, 2024, and will culminate on sunday, september 15, 2024.
In 2024, thiruvonam, the main day of onam, falls on sunday, september 15. Onam falls in august or september and is celebrated with flower arrangements, boat races, dances, music and more.