When is Prime Day 2021? | Amazon Quiz Prime Day Special Quiz, Check the answer for the question - When is Prime Day 2021? By Mukesh Sharma - July 9, 2021 Prime Day Special. (Credit: Amazon Quiz) Amazon Prime Day Special Quiz, The options for the question – When is Prime Day 2021? 30 – 31 December 15 – 16 August 26 – 27 July 15-16 July The correct answer is ’26 – 27 July’. The Prime Day 2021 is on 26 – 27 July.