Time zone
- Currently Eastern Daylight Time (EDT), UTC -4
- Standard time (Eastern Standard Time (EST), UTC -5) starts November 5, 2017
- Eastern Time is 3 hours ahead of San Francisco.
The IANA time zone identifiers for Eastern Time are America/Detroit, America/Indiana/Indianapolis, America/Indiana/Marengo, America/Indiana/Petersburg, America/Indiana/Vevay, America/Indiana/Vincennes, America/Indiana/Winamac, America/Iqaluit, America/Kentucky/Louisville, America/Kentucky/Monticello, America/Nassau, America/New_York, America/Nipigon, America/Pangnirtung, America/Port-au-Prince, America/Thunder_Bay and America/Toronto.