https://www.cnet.com/news/amazon-prime-day-2018-starts-july-16/

The sale will kick off on Monday, July 16, at noon Pacific and go on for 36 hours, up from 30 hours last year. Australia, Singapore, Netherlands and Luxembourg will join in on Prime Day for the first time, along with the US, UK, Spain, Mexico, Japan, India, Italy, Germany, France, China, Canada, Belgium and Austria.

Prime Day will include more than 1 million deals worldwide, an increase from "hundreds of thousands" of deals last year and over 100,000 the year before. Those deal will include twice as many Amazon device sales.