The Insider Picks team writes about stuff we think you'll like. Business Insider has affiliate partnerships, so we may get a share of the revenue from your purchase. Tommaso Boddi/Getty Images for AmazonAmazon has formally announced details for this year's "Prime Day" sale which will take place on Tuesday, July 12, 2016. Prime Day, which Amazon first launched last year is a 24-hour Black Friday-like sales event where prices are slashed on hundreds of thousands of products.