Onam 2024 Thiruvonam Date And Time. Onam 2024 officially begins with atham on september 6 and culminates with thiruvonam on september 15. When is onam/thiruvonam in 2024?
Onam celebrates the asura king mahabali’s annual visit from patala (the underworld). In 2024, thiruvonam is expected to be on sunday, september 15.