Apple has announced a one day sale on Friday to mark Black Friday, the day after Thanksgiving in the US, and a popular day for sales shopping. Apple is yet to announce the discounts that will be available to UK shoppers on Friday, but they will be available to UK shoppers in the Apple online store as well as the high street Apple Stores. What is Black Friday? In the US, the day after Thanksgiving is referred to as Black Friday and it is regarded as the biggest day for shopping as extravagant discounts are applied to thousands of products. It is known as Black Friday as it'sthe day when stores go from the red (debit) into the black (credit). In recent years UK companies, including Apple and Amazon have followed suit, running their own Black Friday promot