Onam 2026 — Thiruvonam Fri 28 August: Ten-Day Calendar, Mahabali Story, Sadya Menu & NRI Guide

Onam 2026 — Kerala's harvest and homecoming festival — culminates on Thiruvonam, Friday 28 August 2026. Ten days of Pookalam, Sadya, boat races and folk dance mark the mythic return of King Mahabali to see his people prosperous. This guide covers the verified date, the ten Onam days (Atham → Thiruvonam), the Mahabali–Vamana story, the Sadya menu, Pookalam traditions, and how NRI families in USA / UK / Canada / Australia / Singapore / Malaysia / UAE celebrate in 2026.

Quick Answer: When is Onam 2026?

Thiruvonam 2026: Friday, 28 August 2026 (Sravana / Thiruvonam nakshatra in Chingam month).

Atham (Day 1): Wednesday, 19 August 2026 — Pookalam laying begins.

Malayalam era: 1202 ME, Chingam month.

Onam is a nakshatra-based festival (not a tithi-based one). Verify local sunrise + nakshatra timings with your regional Kerala Panchangam if you are performing puja or offering the naivedyam sadya.

The Ten Days of Onam 2026

Each day is named after a nakshatra in the Malayalam calendar. Together they walk devotees from the first flower of the Pookalam to the great Thiruvonam feast:

• Day 1 · Atham (19 Aug) — Single yellow flower begins the Pookalam. Athachamayam procession in Thrippunithura.
• Day 2 · Chithira (20 Aug) — Second layer of the Pookalam; new clothes cleaned.
• Day 3 · Chodhi (21 Aug) — Onakodi (new Onam clothes) purchased for family; jewellery selected.
• Day 4 · Vishakam (22 Aug) — Sadya ingredient shopping; markets fill with plantain, ash gourd, banana leaves.
• Day 5 · Anizham (23 Aug) — Vallamkali (snake-boat races) at Aranmula and Nehru Trophy race preparations.
• Day 6 · Thrikketta (24 Aug) — Family members return home; Kaikottikali practice begins.
• Day 7 · Moolam (25 Aug) — Small Sadya (Cheriya Onam) at many homes; temple Onasadyas begin.
• Day 8 · Pooradam (26 Aug) — Onathappan (clay Mahabali idol) placed at Pookalam centre; games begin.
• Day 9 · Uthradam (27 Aug) — Uthradappachil — final Sadya shopping day; Mahabali is welcomed at sundown.
• Day 10 · Thiruvonam (28 Aug) — Grand Onasadya, Kaikottikali dance, Pulikali processions, family gathering. Peak of Onam.

Why Onam? The Mahabali & Vamana Story

Onam commemorates the annual return of the Asura King Mahabali — the grandson of Prahlada and the great-grandson of Hiranyakashipu — to visit his beloved Kerala. In the popular Puranic retelling, Mahabali was so just and generous a ruler that his subjects lived in a golden age of equality and prosperity. His growing power alarmed the devas, so Vishnu incarnated as the diminutive Brahmin Vamana and asked Mahabali for a boon of three paces of land. Mahabali agreed. Vamana expanded into cosmic form, covering earth with one step, heavens with the second, and for the third — since nothing remained — Mahabali offered his own head. Pleased by his devotion, Vishnu granted Mahabali the boon to visit his people once a year. That visit is Onam.

Read the full mythology: Vamana Avatar & Mahabali — the Onam Connection • The Vamana-Bali Legend • Vamana Jayanti 2026.

Onam Sadya — the Grand 26-Dish Feast

The Onasadya is the heart of Thiruvonam — a vegetarian banquet served on a fresh banana leaf, eaten with the right hand, in a strict serving order that flows from savoury to sweet. A traditional Sadya carries anywhere from 11 to 30+ dishes depending on family and temple tradition. The core menu:

• Rice — matta (Kerala red rice) or ponni
• Parippu (mung dal) with ghee
• Sambar — the Kerala version, with drumstick + ash gourd
• Rasam — thin, peppery, for digestion
• Avial — mixed vegetables in coconut and curd
• Thoran — dry vegetable stir-fry with grated coconut
• Olan — ash gourd + red beans in thin coconut milk
• Kalan — yam / plantain in thick curd + coconut
• Erissery — pumpkin + red gram in roasted coconut
• Pachadi — sweet-sour curd side (pineapple / cucumber / bitter gourd)
• Kichadi — like pachadi but savoury
• Inji curry — ginger pickle
• Kerala pickles (mango, lime, gooseberry)
• Upperi — banana chips in coconut oil
• Sharkara varatti — jaggery-glazed banana chips
• Pappadam — Kerala style, larger and thinner
• Payasam — closing sweet: Ada Pradhaman, Palada or Parippu payasam
• Buttermilk (moru) — served last for digestion

Deep dive: Onam Sadya 2026 — 26-Dish Menu, Serving Order & Recipes.

Pookalam — the 10-Day Flower Rangoli

The Pookalam grows daily from Atham to Thiruvonam, adding one concentric ring per day. Traditional Pookalams follow strict colour rules — Day 1 is single yellow, Day 2 adds red, and so on. By Thiruvonam the Pookalam has 10 layers, an Onathappan (Mahabali idol) at the centre, and flowers native to Kerala: chethi (Ixora), tulasi, jasmine, marigold, arali (oleander), and hibiscus. See our Onam Pookalam 2026 designs guide for layouts by day and beginner-friendly patterns.

Cultural performances — Pulikali, Vallamkali, Kaikottikali

Pulikali ("tiger play") — men painted as tigers dance in Thrissur's Swaraj Round on the fourth day after Thiruvonam. Vallamkali — the snake-boat races, most famously the Nehru Trophy Boat Race at Punnamada Lake, Alappuzha. Kaikottikali — circular women's dance around a lit lamp, celebrating Mahabali's return.

Onam for NRI Families — USA / UK / Canada / Australia / Singapore / Malaysia / UAE

Onam is one of Kerala's biggest diaspora events. From Kerala Samajams in New Jersey, London and Toronto to the massive Malaysian Malayali Onam celebrations in Kuala Lumpur, families away from Kerala recreate the Sadya on Thiruvonam day. Full guide: Onam 2026 NRI Family Guide.

Onam 2026 date at a glance

Thiruvonam: Friday, 28 August 2026 (Kerala Standard Time).

Utradam (Onam eve): Thursday, 27 August 2026 — day Mahabali is welcomed.

Avittam / Chathayam (Third Onam): Saturday 29 Aug — Sunday 30 Aug — the tail end of Onam holidays; farewell Sadya + Onathallu.

Onam wishes to all our readers in Kerala, India and across the diaspora. May Mahabali's blessings bring prosperity and unity to your home.