thumb|300px|UTC−05:00: blue (January), orange (July), yellow (year-round), light blue (sea areas)

UTC−05:00 is an identifier for a time offset from UTC of −05:00.

In North America, it is observed in the Eastern Time Zone during standard time, and in the Central Time Zone during the other eight months (see Daylight saving time). The western Caribbean uses it year round.

As standard time (Northern Hemisphere winter)

Principal cities: New York, Washington, Philadelphia, Boston, Atlanta, Miami, Detroit, Columbus, Baltimore, Cleveland, Pittsburgh, Indianapolis, Orlando, Charlotte, Charleston, Wilmington, Key West, Toronto, Montreal, Ottawa, Quebec City, Iqaluit, Nassau, Havana, Kingston, Port-au-Prince, Cockburn Town, Providenciales

North America

  • Canada (Eastern Time Zone)
  • Nunavut
  • Qikiqtaaluk Region except Resolute
  • Ontario
  • Most of province (east of 90° W)
  • Quebec
  • Most of province except easternmost area
  • United States (Eastern Time Zone)
  • New Jersey
  • New York
  • North Carolina
  • Ohio
  • Pennsylvania
  • South Carolina
  • Tennessee
  • The counties of Scott, Morgan, Roane, Rhea and Hamilton, and all counties to the east of these
  • Coahuila de Zaragoza
  • The municipalities of Acuña, Allende, Guerrero, Hidalgo, Jiménez, Morelos, Nava, Ocampo, Piedras Negras, Villa Unión and Zaragoza
  • Nuevo León
  • The municipality of Anahuac
  • Tamaulipas
  • The municipalities of Nuevo Laredo, Guerrero, Mier, Miguel Alemán, Camargo, Gustavo Díaz Ordaz, Reynosa, Río Bravo, Valle Hermoso and Matamoros
  • United States (Central Time Zone)
  • Alabama
  • entire state except Phenix City
  • Arkansas
  • Florida
  • Northwestern counties of Jasper, Lake, LaPorte, Newton, Porter and Starke
  • Southwestern counties of Gibson, Perry, Posey, Spencer, Vanderburgh and Warrick
  • Iowa
  • Kansas
  • Entire state except westernmost counties
  • Kentucky
  • The counties of Breckinridge, Grayson, Hart, Green, Adair, Russell and Clinton, and all counties to the west of these
  • Louisiana
  • Michigan
  • The western counties of Dickinson, Gogebic, Iron and Menominee
  • Minnesota
  • Mississippi
  • Missouri
  • Nebraska
  • Central and eastern Nebraska
  • North Dakota
  • Entire state except southwest
  • Oklahoma
  • Entire state except Kenton
  • South Dakota
  • Eastern half
  • Tennessee
  • Counties to the west of the counties of Scott, Morgan, Roane, Rhea, and Hamilton
  • Texas
  • All except westernmost counties
  • Wisconsin

As standard time (year-round)

Principal cities: Cancún, Bogotá, Lima, Kingston, Quito, Panama City, George Town

South America

  • Brazil
  • Acre
  • Amazonas (13 western municipalities, approximately marked by a line between Tabatinga and Porto Acre)
  • Colombia – Time in Colombia
  • Ecuador – Time in Ecuador (except Galápagos Islands)
  • Peru – Time in Peru

Caribbean

  • Jamaica – Time in Jamaica
  • United Kingdom
  • British Overseas Territories
  • Cayman Islands
  • United States
  • United States Minor Outlying Islands
  • Navassa Island

North America

  • Canada – Eastern Time Zone
  • Atikokan and New Osnaburgh/Pickle Lake area
  • Southampton Island
  • Mexico (Zona Sureste)
  • Quintana Roo