2025 Onam Date. Explore onam 2025, kerala's vibrant festival honoring king mahabali's visit with rituals, significance, celebrations, and traditional onam sadhya feast details. Onam starts on august 26 this month.
In 2025, onam starts on 26 august with atham and ends on 7 september with chatayam or the fourth onam. In 2025, onam will be celebrated from august 26 to september 5.