Onam 2025 Date In India Calendar With Holidays. Onam 2025 will begin on 6 september, 2025 end. Onam, more fully “thiruvonam,” is a hindu rice harvest festival primarily kept by hindus of malayalam descent.
Check dates for pookalam, vallam kalli and sadhya. Onam 2025 started on sunday 15th sep, 2025 (15/09/2025) 2 days ago.