According to his death certificate, Steve Jobs died at 3pm PT on October 5, 2011. http://www.nytimes.com/2011/10/11/business/steve-jobss-cause-of-death-is-rele

According to his death certificate, Steve Jobs died at 3pm PT on October 5, 2011. http://www.nytimes.com/2011/10/11/business/steve-jobss-cause-of-death-is-released-by-coroner.html http://www.nytimes.com/2011/10/11/business/steve-jobss-cause... New York markets close at 4pm ET, which is 1pm PT.