The “Big Billion Days” sale is Flipkart’s flagship festival event, while Amazon’s equivalent in 2023 was the Amazon Great Indian Festival sale, not called “Big Billion Day” on Amazon’s side.

Quick Scoop

  • Flipkart Big Billion Days 2023 and Amazon Great Indian Festival 2023 both started on 8 October 2023.
  • Amazon gave Prime members early access from 7 October 2023 at 12:00 AM.
  • Both sales ran through the main Navratri–Diwali festive window, with Amazon’s sale expected to end around mid‑October 2023 (around when Flipkart’s sale ended on 15 October).

So, if you’re asking “when is Big Billion Day sale on Amazon 2023,” the closest match is:

  • On Amazon : the Great Indian Festival 2023 sale, starting 8 October 2023 (7 October midnight for Prime).
  • On Flipkart : Big Billion Days 2023 , also starting 8 October 2023.

Mini timeline (2023)

  1. Early October: Festive banners for Flipkart Big Billion Days and Amazon Great Indian Festival went live. Creators and forums started discussing likely dates around 12–13 October, based on past years and Navratri timing.
  1. Late September 2023: Final confirmations showed both Amazon and Flipkart locking the start date to 8 October 2023.
  1. 7 October 2023: Amazon Prime members could start shopping from midnight.

In short: there is no “Big Billion Day sale on Amazon,” but in 2023 Amazon’s Great Indian Festival sale lined up with Flipkart’s Big Billion Days , both kicking off on 8 October 2023.

SEO notes

  • Focus keyword used: when is big billion day sale on amazon 2023 (clarified as Amazon Great Indian Festival 2023 dates).
  • Meta description suggestion:
    “Wondering when the Big Billion Day sale is on Amazon in 2023? Amazon’s Great Indian Festival 2023 started on 8 October 2023 (7 October for Prime members), alongside Flipkart’s Big Billion Days.”

Information gathered from public forums or data available on the internet and portrayed here.