Harvest Festival 2024 Date In Kerala. First onam is on september 04, thursday, thiruvonam 2025 will be celebrated on september 05, friday. The four days are the first (uthradam), second (thiruvonam), third (avittam),.

Onam, more fully “thiruvonam,” is a hindu rice harvest festival primarily kept by hindus of malayalam descent. Date, time & significance of kerala’s harvest festival.