How many days until Onam?
Onam period 2026: 16 August – 26 August. Atham 16 August (Malayalam almanac; Athachamayam held that day), First Onam / Uthradam 25 August, Thiruvonam 26 August (Kerala Government 2026 diary). 2027 dates are being verified.
About Onam
Kerala's harvest festival honouring King Mahabali, running from Atham to Thiruvonam, the main Onam day.
Regional
IN
Also: Thiruvonam
Also: Atham
- Observed mainly in Kerala.
- Public holiday in Kerala only.
Source & verification
Curated panchang dataset (Wait Until), pending provider integration
Last verified Friday 21 August 2026.