what time zone is pdt to est
Time Difference. 1  Pacific Daylight Time is 3 hours behind of Eastern Daylight Time. So 3:45 PM15:45 in PDT is 6:45 PM18:45 in EDT. 2  Offset: PDT is 7 hours behind Greenwich Mean Time (GMT) and is used in North America. 3  Countries: It is used in following countries: Canada, Mexico, United States.