South Indian Harvest Festivals

Complete Guide to Onam: 10 Days from Atham to Thiruonam, Rituals & Traditions

Bhakti Voice

भक्ति वॉइस

Celebrated when Thiruvonam (Shravana) Nakshatra prevails during daytime in the Malayalam month of Chingam.

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Onam is the grandest harvest, cultural, and spiritual festival of Kerala, celebrated in the Malayalam month of Chingam during the sacred conjunction of Shukla Paksha and the asterism Thiruvonam (Shravana Nakshatra). Lasting ten days starting from Atham, Onam commemorates the annual homecoming of the benevolent Asura King Mahabali (Maveli) and celebrates the fifth incarnation of Lord Vishnu as Vamana Avatar (Onathappan). The festival unites all communities through breathtaking floral carpets (Pookkalam), traditional snake boat races (Vallamkali), Kathakali dances, and the lavish vegetarian feast known as Onam Sadhya served on fresh plantain leaves.

The story

King Mahabali's rule was an era of absolute truth, equality, and prosperity where neither poverty nor deception existed. However, to curb Bali's pride and return celestial dominion to Indra, Lord Vishnu manifested as the dwarf Brahmin boy Vamana. When Bali granted Vamana three paces of land, the Lord expanded infinitely (Trivikrama), covering the earth in one step and the heavens in the second. For the third step, Bali humbly offered his own head. Moved by Bali's supreme devotion, Lord Vishnu granted him the netherworld (Sutala) and allowed him to visit his beloved subjects annually on Thiruonam.

Traditions

Puja at home

Frequently asked questions

What is the significance of the 10 days of Onam?

Starting on Atham and concluding on Thiruonam, each day expands the size of the flower carpet (Pookkalam) to prepare a grand reception for King Mahabali and Lord Vamana.

Who is Thrikkakara Appan (Onathappan) worshipped during Onam?

Thrikkakara Appan is Lord Vamana (Lord Vishnu), installed as pyramidal clay sculptures decorated with rice flour paste in the center of the floral carpet on Uthradam and Thiruonam.

What items are included in a traditional Onam Sadhya?

A grand 24 to 28 dish vegetarian feast featuring red rice (Matta), Sambar, Avial, Thoran, Olan, Kalan, Pachadi, Injipuli, Pappadam, and Payasam served on a banana leaf.