(Redirected from North American Eastern Time Zone)
Metronome, a public art installation showing the time in New York City
The 'Eastern Time Zone' ('ET') of the
Western Hemisphere falls mostly along the east coast of
Northern America and the west coast of
South America. Its
time offset is
UTC-5 during
standard time and
UTC-4 during
daylight saving time. The clock time in this zone is based on the
mean solar time of the 75th degree
meridian west of the
Greenwich Observatory.
In the
United States and
Canada, this time zone is generally called 'Eastern Time' (ET). Specifically, it is 'Eastern Standard Time' (EST) when observing
standard time (
Winter), and 'Eastern Daylight Time' (EDT) when observing
daylight saving time (
Summer).
The '1966
Uniform Time Act' in the USA meant that EDT was instituted on the last Sunday in April, starting in
1966, through out most of the USA and Canada.
Early adoption and U.S. Law EST would be re-instituted on the last Sunday in October. The act was amended to make the first Sunday in April the beginning of EDT as of
1987.
In some areas, starting in
2007, the local time changes at 02:00 EST to 03:00 EDT on the second Sunday in March and returns at 02:00 EDT to 01:00 EST on the first Sunday in November
.
Usage
North America
Canada
In
Canada, the following
provinces and territories are part of the Eastern Time Zone:
★
Ontario (excluding areas west of
Thunder Bay but including
Atikokan)
★
Quebec (excluding far eastern
Côte-Nord and the
Magdalen Is.)
★ East-central
Nunavut (including part of
Melville Pen. and most of
Ellesmere and
Baffin Is., including
Iqaluit;
Southampton Island does not observe
DST)
United States
In the
United States, the following states are part of the Eastern Time Zone in their entirety:
The exact specification for the location of
time zones and the dividing line between zones is set forth in the
Code of Federal Regulations at 49 CFR 71.
[1]
Parts of several other states use Eastern Time as well:
★ nearly all of
Florida except for the part of the panhandle west of the
Apalachicola River. Approaching the
Gulf of Mexico, the line jumps west to the Bay/Gulf county line.
★ most of
Indiana (all except the
Evansville metropolitan area and the suburbs of
Chicago, Illinois)
★ all of
Kentucky from the
Louisville metropolitan area eastward
★ all of
Michigan except the four
Upper Peninsula counties that border
Wisconsin (
Gogebic,
Iron,
Dickinson,
Menominee)
★ the eastern third of
Tennessee, almost but not precisely coterminous with the region legally designated as
East Tennessee
★ some towns in eastern
Alabama, including
Phenix City,
Smiths Station,
Lanett, and
Valley, observe Eastern Time, although they are officially in the
Central Time Zone. This is primarily because they are part of the
Columbus, Georgia media market.
[2]
Other countries
The following countries that use Eastern Time Zone include:
★
Mexico - the eastern state of
Quintana Roo also followed EST for a brief period in the
1990s
★
Panama
★
Jamaica
★
Haiti
★
Cuba
★ the
Bahamas
★
Puerto Rico
★ Not all Caribbean countries observe
Daylight saving time. Most Eastern Caribbean states are in the
UTC-4 timezone, which is known in North America as the
Atlantic Time Zone and is the equivalent of EDT and one hour ahead of EST.
South America
In
South America this time zone is observed in:
★
Colombia
★
Ecuador (except
Galápagos)
★
Peru
★ Parts of
Brazil:
★
★ the state of
Acre
★
★
Amazonas - the southwestern region of the state.
Major Metropolitan Areas
★ Albany, New York
★ Annapolis, Maryland
★ Atlanta, Georgia
★ Augusta, Maine
★ Baltimore, Maryland
★ Bangor, Maine
★ Barrie, Ontario
★ Bogotá, Colombia
★ Boston, Massachusetts
★ Buffalo, New York
★ Burlington, Vermont
★ Cali, Colombia
★ Charleston, South Carolina
★ Charleston, West Virginia
★ Charlotte, North Carolina
★ Chattanooga, Tennessee
★ Cincinnati, Ohio
★ Cleveland, Ohio
★ Columbia, South Carolina
★ Columbus, Ohio
★ Detroit, Michigan
★ Erie, Pennsylvania
★ Fort Wayne, Indiana
★ Grand Rapids, Michigan
★ Greater Sudbury, Ontario
★ Greenville, South Carolina
★ Greensboro, North Carolina
★ Guayaquil, Ecuador
★ Guelph, Ontario
|
★ Hamilton, Ontario
★ Hampton Roads, Virginia
★ Havana, Cuba
★ Hartford, Connecticut
★ Indianapolis, Indiana
★ Iqaluit, Nunavut
★ Jacksonville, Florida
★ Key West, Florida
★ Kingston, Jamaica
★ Kitchener-Waterloo, Ontario
★ Knoxville, Tennessee
★ La Paz, Bolivia
★ Lexington, Kentucky
★ Lima, Peru
★ London, Ontario
★ Louisville, Kentucky
★ Manchester, New Hampshire
★ Medellín, Colombia
★ Miami, Florida
★ Montreal, Quebec
★ Nassau, Bahamas
★ Newark, New Jersey
★ Norfolk, Virginia
★ New Haven, Connecticut
★ New York, New York
★ Orlando, Florida
★ Ottawa, Ontario
★ Oshawa, Ontario
|
★ Panama City, Panama
★ Philadelphia, Pennsylvania
★ Pittsburgh, Pennsylvania
★ Port-au-Prince, Haiti
★ Portland, Maine
★ Providence, Rhode Island
★ Quebec, Quebec
★ Quito, Ecuador
★ Raleigh, North Carolina
★ Richmond, Virginia
★ Rio Branco, Brazil
★ Rochester, New York
★ Santiago de Cali, Colombia
★ Springfield, Massachusetts
★ Syracuse, New York
★ Tampa, Florida
★ Thunder Bay, Ontario
★ Toledo, Ohio
★ Toronto, Ontario
★ Trenton, New Jersey
★ Washington, D.C.
★ Wilmington, Delaware
★ Windsor, Ontario
★ Winston-Salem, North Carolina
★ Worcester, Massachusetts
|
See also
★
Time zone
★
Eastern Daylight Time
★
Time in Indiana
★
Atlantic Standard Time Zone
★
Newfoundland Standard Time Zone
★
Time in the United States
★
Time in Canada
★
Time in Brazil
★
Time in Mexico
Sources
★
The official U.S. time for the Eastern Time Zone
★
World time zone map
★
U.S. time zone map
★
History of U.S. time zones and UTC conversion
★
Canada time zone map
★
Time zones for major world cities
★
Official U.S. time for the Eastern Time Zone
★
Official times across Canada
★
Federal Regulations defining time zones
References
1. The specification for the Eastern Time Zone is set forth at 49 CFR 71.4, and is listed in Text and pdf formats.
The boundary between Eastern and Central is set forth at 49 CFR 71.5, and is listed in text and pdf formats.
2. Parts of Eastern Alabama split between 2 time zones Brian McDearman
العربية
中国
Français
Deutsch
Ελληνική
हिन्दी
Italiano
日本語
Português
Русский
Español
