October Prime Day will be held on October 8 and 9 this year. October Prime Day is a members-only sale event run by Amazon in which the online retailer has thousands of sales on its site that are exclusively available to those with an active Prime members. October Prime Day will last two full days.

Prime Big Deal Days is a fall sale that serves as the extra-early kickoff to Amazon's holiday shopping season ahead of Black Friday. It's formatted identically to the retailer's flagship summer Prime Day sale, where featured deals are only available to members of its Prime subscription service.

It’s official: Amazon’s second Prime Day event of the year will take place at the beginning of October. The two-day shopping event — which Amazon is calling Prime Big Deal Days for the second year in a row — will begin at 12:01AM PT / 3:01AM ET on Tuesday, October 8th, and run through Wednesday, October 9th, the company announced on Tuesday.