Onam — Kerala welcomes King Mahābali
Thiruvōṇam (Śravaṇa nakṣatra) in Chiṅṅam (Siṃha) · August–September
Onam is Kerala's great harvest festival, held in the Malayalam month of Chiṅṅam when the monsoon eases and the fields are full. It celebrates the yearly visit of the beloved asura king Mahābali, under whose rule, the old song says, “all people were equal, there was no lying, no cheating, no sorrow”. Celebrations run for ten days, from Atham to the main day, Thiruvōṇam, and Keralites of every community join in.
At home, the heart of Onam is the pookkaḷam: a carpet of flower petals laid in front of the house each morning, starting small on Atham and growing a ring larger each day. Many homes set up a clay pyramid-shaped figure of Thṛkkākara Appan (Vāmana) in the courtyard and offer flowers and rice-flour paste. On Thiruvōṇam, everyone wears new clothes (onakkōdi) — the cream-and-gold kasavu sari and mundu — and the family sits together for the Onasadya, a vegetarian feast of twenty or more dishes on a banana leaf: rice, sāmbār, avial, oḷan, thoran, pickles, banana chips and two or three kinds of pāyasam. Elders give gifts to the young.
Kerala comes alive with snake-boat races (vaḷḷam kaḷi) at Aranmula and on the backwaters, pulikaḷi tiger dancers in Thrissur, kaikottikaḷi circle dances by women, swings hung from trees, and the Athachamayam procession at Thripunithura. Malayalis around the world — the Gulf, the US, Australia — hold sadyas and cultural evenings so Onam travels wherever they go.
Tradition says that Mahābali, grandson of the devotee Prahlāda, ruled so justly and generously that his fame rivalled the gods'. Viṣṇu came to his sacrifice as Vāmana, a small brahmin boy, and asked for just three steps of land. Bali gladly agreed, even when his guru Śukrācārya warned him. Vāmana grew immense: with one step he covered the earth, with the second the heavens, and Bali, keeping his word, offered his own head for the third. Pleased by his truthfulness, Viṣṇu sent him to rule the netherworld and, as Kerala tradition holds, granted him a visit to his people once a year — and Onam is that homecoming.
Mahābali · Vāmana (Thṛkkākara Appan) · Pookkaḷam, Onasadya, boat races · Kerala and Malayalis worldwide · Bhāgavata Purāṇa 8 (Vāmana)