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Sources · Windows15 May 2026

— The Calendar

The 30 windows.

Every festival, sale, and wedding-season peak the engine prices into your forecast. The Indian commercial calendar, indexed and weighted.

Spreadsheets are deaf to the calendar. The engine isn't. Every row below carries a category multiplier — what lifts and by how much — read into every brief, every buy, every depth-of-buy chart.

2026 · Q1

3 windows

  1. North India Wedding Season — Spring 2026

    15 Jan 2026 → 15 Mar 2026

    Wedding seasonNorth
    bridal1.6×mehendi1.4×sangeet1.4×reception1.4×wedding_guest1.5×

  2. Holi 2026

    04 Mar 2026

    Festival
    party1.2×casual1.1×festive1.4×

    White cotton kurtas / co-ord sets spike 2-3 weeks ahead

  3. Eid al-Fitr 2026

    21 Mar 2026 → 22 Mar 2026

    Festival
    party1.3×festive1.5×wedding_guest1.2×

2026 · Q2

5 windows

  1. Baisakhi / Vishu / Pohela Boishakh 2026

    13 Apr 2026 → 15 Apr 2026

    FestivalNorth
    casual1.1×festive1.3×

  2. South India Wedding Season — Summer 2026

    15 Apr 2026 → 15 Jun 2026

    Wedding seasonSouth
    bridal1.5×reception1.3×wedding_guest1.4×

  3. Eid al-Adha 2026

    27 May 2026 → 28 May 2026

    Festival
    party1.2×festive1.4×

  4. Monsoon Onset 2026

    01 Jun 2026 → 30 Jun 2026

    Climate
    casual1.1×lounge1.2×

    Drives demand for lighter, breathable fabrics; rainwear; quick-dry

  5. End of Season Sale (EOSS) — Summer 2026

    15 Jun 2026 → 15 Jul 2026

    Sale
    casual1.3×workwear1.2×

    Aggressive markdowns across major retailers

2026 · Q3

6 windows

  1. Independence Day Sale 2026

    13 Aug 2026 → 17 Aug 2026

    Sale
    casual1.2×festive1.2×

  2. Onam 2026

    26 Aug 2026 → 05 Sept 2026

    FestivalSouth
    casual1.2×festive1.5×

    Kerala set saree / cream-and-gold palette

  3. Raksha Bandhan 2026

    28 Aug 2026

    Festival
    casual1.1×festive1.3×

  4. Janmashtami 2026

    04 Sept 2026

    Festival
    festive1.2×

  5. Ganesh Chaturthi 2026

    14 Sept 2026 → 24 Sept 2026

    FestivalWest
    party1.2×festive1.4×

  6. Post-Monsoon / Festive Lead 2026

    15 Sept 2026 → 10 Oct 2026

    Climate
    party1.2×festive1.3×

    Festive shopping ramp-up window

2026 · Q4

12 windows

  1. Big Billion Days / Great Indian Festival 2026

    01 Oct 2026 → 08 Oct 2026

    Sale
    casual1.3×festive1.4×workwear1.2×

    Flipkart + Amazon flagship sale fortnight

  2. Navratri 2026

    11 Oct 2026 → 19 Oct 2026

    Festival
    party1.3×festive1.6×wedding_guest1.2×

    Garba/dandiya fuel chaniya choli + lehenga demand

  3. Dussehra 2026

    20 Oct 2026

    Festival
    festive1.4×

  4. Karva Chauth 2026

    01 Nov 2026

    FestivalNorth
    bridal1.2×festive1.5×wedding_guest1.4×

    Red / maroon saree + lehenga peak

  5. Winter Onset (North) 2026

    01 Nov 2026 → 15 Dec 2026

    ClimateNorth
    evening1.2×workwear1.1×

    Wool / cashmere / outerwear demand

  6. Diwali 2026

    08 Nov 2026 → 12 Nov 2026

    Festival
    party1.5×festive1.7×wedding_guest1.3×

    Year-defining peak. Plan inventory 6-8 weeks ahead.

  7. Bhai Dooj 2026

    13 Nov 2026

    Festival
    festive1.2×

  8. North India Wedding Season — Winter 2026

    15 Nov 2026 → 28 Feb 2027

    Wedding seasonNorth
    bridal1.7×mehendi1.4×sangeet1.4×reception1.5×wedding_guest1.6×

    Largest wedding window of the year

  9. South India Wedding Season — Winter 2026

    01 Dec 2026 → 31 Jan 2027

    Wedding seasonSouth
    bridal1.5×reception1.3×wedding_guest1.4×

  10. Christmas 2026

    24 Dec 2026 → 26 Dec 2026

    Festival
    party1.4×casual1.1×festive1.2×

  11. EOSS — Winter 2026

    26 Dec 2026 → 31 Jan 2027

    Sale
    casual1.3×festive1.1×workwear1.2×

  12. New Year's Eve 2026

    30 Dec 2026 → 31 Dec 2026

    Festival
    party1.6×evening1.4×cocktail1.5×

2027 · Q1

2 windows

  1. Eid al-Fitr 2027

    10 Mar 2027 → 11 Mar 2027

    Festival
    party1.3×festive1.5×

  2. Holi 2027

    22 Mar 2027

    Festival
    party1.2×casual1.1×festive1.4×

2027 · Q4

2 windows

  1. Karva Chauth 2027

    21 Oct 2027

    FestivalNorth
    bridal1.2×festive1.5×wedding_guest1.4×

  2. Diwali 2027

    29 Oct 2027 → 02 Nov 2027

    Festival
    party1.5×festive1.7×wedding_guest1.3×

— Back to the claim

Read it in context · the manifesto