United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama in Central America and the Caribbean Islands.
View the standard time zone boundaries. Daylight Saving Time begins at 2:00 a.m. local time on the second Sunday in March. On the first Sunday in November areas on Daylight Saving Time return to Standard Time at 2:00 a.m. The names in each time zone change along with Daylight Saving Time. Eastern Standard Time (EST) becomes Eastern Daylight Time (EDT), and so forth.  Eastern Time Zone is the Eastern Time Zone of the United States of America (USA) and Canada. During DST the time is shifted forward by 1 hour to EDT; which is 4 hours behind Greenwich Mean Time (GMT-4). After the Summer months Eastern Time is shifted back by 1 hour to US Eastern Standard Time (EST) or (GMT-5). The schedule for the states of the United States that adopt daylight saving time are: The Eastern Time Zone (ET) is a time zone encompassing 17 U.S. states in the eastern part of the contiguous United States, parts of eastern Canada, the state of Quintana Roo in Mexico, Panama in Central America and the Caribbean Islands. The District of Columbia and seventeen states are located entirely within the Eastern Time zone: 1  Connecticut. 2  Delaware. 3  Georgia. 4  Maine. 5  Maryland. 6  Massachusetts. 7  New Hampshire. Eastern Daylight Time (EDT), when observing daylight saving time (spring/summer) is 4 hours behind Coordinated Universal Time (UTC−04:00). In the northern parts of the time zone, during the second Sunday in March, at 2:00 a.m. EST, clocks are advanced to 3:00 a.m. EDT leaving a one-hour gap. During the first Sunday in November, at 2:00 a.m. EDT, clocks are moved back to 1:00 a.m. EST, thus duplicating one hour. The District of Columbia and seventeen states are located entirely within the Eastern Time zone: 1  Connecticut. 2  Delaware. 3  Georgia. 4  Maine. 5  Maryland. 6  Massachusetts. 7  New Hampshire. The Eastern Time Zone includes the state of Connecticut, Delaware, Florida, Georgia, part of Indiana, part of Kentucky, Maine, Maryland, Massachusetts, Michigan, New Hampshire, New Jersey, New York, North Carolina, Ohio, Pennsylvania, Rhode Island, South Carolina, part of Tennessee, Vermont, Virginia and West Virginia. Eastern Time Zone in the United States. The eastern standard time zone, includes that part of the United States that is west of 67[deg]30[sec] W. longitude and east of the boundary line described in Sec. 71.5, and includes all of the State of Maine, but does not include any part of the Commonwealth of Puerto Rico Five states are in both the eastern and central time zones. Those are Florida, Indiana, Kentucky, Michigan and Tennessee. View the boundary line between Eastern and Central Time Zones. Eastern Time Zone in the United States. The eastern standard time zone, includes that part of the United States that is west of 67[deg]30[sec] W. longitude and east of the boundary line described in Sec. 71.5, and includes all of the State of Maine, but does not include any part of the Commonwealth of Puerto Rico The Eastern time zone is one hour ahead of the Central time zone. So if it is 8:00 p.m. in the Eastern time zone, it is 7:00 p.m. in the Central time zone. The Eastern time zone runs along the eastern seaboard of the United States including all the states that touch the Atlantic ocean. The Eastern time zone is five hours behind the Coordinated Universal Time and does follow daylight savings times as well. In emails that are being sent from people in this time zone, there will be a -0600 in the header. This is to notify the receiver that there is, in fact, a time difference. An email sent from someone in the Eastern Standard Time (EST) time zone will have the time zone listed as -0500 in the headers of the email. (However, -0500 does not have to be in Eastern Standard Time, as other time zones could have the same UTC offset). Observes EST – Eastern Standard Time part of the year, but not currently. Currently has same time zone offset as EST (UTC -5:00) but different time zone name. Eastern Standard Time (EST) is 5 hours behind Coordinated Universal Time (UTC) . This time zone is a standard time zone and is used in: North America, Caribbean, Central America. This time zone is often called Eastern Time Zone. See full time zone map
http://www.timetemperature.com/tzus/time_zone.shtml http://wwp.greenwichmeantime.com/time-zone/usa/eastern-time/ https://en.wikipedia.org/wiki/Eastern_Time_Zone https://en.wikipedia.org/wiki/Eastern_Time_Zone http://www.timetemperature.com/tzus/eastern_time_zone.shtml http://www.timetemperature.com/tzus/eastern_time_zone.shtml http://www.differencebetween.net/miscellaneous/difference-between-eastern-time-zone-and-central-time-zone/ http://www.timeanddate.com/time/zones/est
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