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Time in Argentina

Argentina is located at a longitude that would naturally put it in the UTC−04:00 or UTC−05:00 time zone; however, it actually uses the UTC−03:00 time zone. Argentina determines whether to change clocks in observation of daylight saving time on a year-by-year basis, and individual provinces may opt out of the federal decision. At present, Argentina does not change clocks.

Time zone map of South America

The Argentine Hydrographic Service[1] maintains the official national time.

History edit

The first official standardization of time in Argentina took place on 31 October 1894, with establishment of UTC−04:00 as the nation’s standard time.[2] From 1920 to 1969, the official time switched biannually between UTC−04:00 as standard time in winter and UTC−03:00 as daylight saving time in summer.[3] From 1974 to 1993, clocks advanced again, such that the official time switched biannually between UTC−03:00 as winter DST and UTC−02:00 as summer double DST.[4] In 1993, the national time was fixed at UTC−03:00, called Argentina Time (ART;[5][6] Spanish: hora oficial argentina, HOA). In 2007 and 2008, biannual switching between UTC–3:00 (winter DST) and UTC–2:00 (summer DDST) resumed; in 2009, this was replaced again with year-round UTC–3:00 (permanent DST).[7]

IANA time zone database edit

In the file zone.tab of the IANA time zone database Argentina has the following zones:

  1. America/Argentina/Buenos_Aires – Buenos Aires (BA, CF)
  2. America/Argentina/Cordoba – most locations (CD, CC, CR, ER, FO, MN, SF)
  3. America/Argentina/Salta (SA, LP, NQ, RN)
  4. America/Argentina/Jujuy – Jujuy (JY)
  5. America/Argentina/Tucuman – Tucuman (TM)
  6. America/Argentina/Catamarca – Catamarca (CT), Chubut (CH)
  7. America/Argentina/La Rioja – La Rioja (LR)
  8. America/Argentina/San Juan – San Juan (SJ)
  9. America/Argentina/Mendoza – Mendoza (MZ)
  10. America/Argentina/San Luis – San Luis (SL)
  11. America/Argentina/Rio Gallegos – Santa Cruz (SC)
  12. America/Argentina/Ushuaia – Tierra del Fuego (TF)
  13. America/Argentina/Santiago_del_Estero (SE)

References edit

  1. ^ Hora Oficial 2013-03-30 at the Wayback Machine
  2. ^ . Archived from the original on 2003-08-03. Retrieved 2009-10-05.
  3. ^ Time Changes in Buenos Aires Over the Years, 1925–1949. TimeAndDate.com.
  4. ^ Time Changes in Buenos Aires Over the Years, 1970–1979. TimeAndDate.com.
  5. ^ "Argentina Time – ART Time Zone".
  6. ^ "Time zone names- Argentina Time". Retrieved 2008-01-26.
  7. ^ . Actualidad (in Spanish). 16 October 2009. Archived from the original on 18 October 2009. Retrieved 17 October 2023.
  • – The tz database contains an extensive history of time zone and daylight saving time changes, with references to official sources for changes to time zones, for Argentina and the rest of the world.

External links edit

  • (in Spanish) Observatorio Naval Buenos Aires: National time


time, argentina, argentina, located, longitude, that, would, naturally, time, zone, however, actually, uses, time, zone, argentina, determines, whether, change, clocks, observation, daylight, saving, time, year, year, basis, individual, provinces, federal, dec. Argentina is located at a longitude that would naturally put it in the UTC 04 00 or UTC 05 00 time zone however it actually uses the UTC 03 00 time zone Argentina determines whether to change clocks in observation of daylight saving time on a year by year basis and individual provinces may opt out of the federal decision At present Argentina does not change clocks Time zone map of South AmericaThe Argentine Hydrographic Service 1 maintains the official national time Contents 1 History 2 IANA time zone database 3 References 4 External linksHistory editThe first official standardization of time in Argentina took place on 31 October 1894 with establishment of UTC 04 00 as the nation s standard time 2 From 1920 to 1969 the official time switched biannually between UTC 04 00 as standard time in winter and UTC 03 00 as daylight saving time in summer 3 From 1974 to 1993 clocks advanced again such that the official time switched biannually between UTC 03 00 as winter DST and UTC 02 00 as summer double DST 4 In 1993 the national time was fixed at UTC 03 00 called Argentina Time ART 5 6 Spanish hora oficial argentina HOA In 2007 and 2008 biannual switching between UTC 3 00 winter DST and UTC 2 00 summer DDST resumed in 2009 this was replaced again with year round UTC 3 00 permanent DST 7 IANA time zone database editIn the file zone tab of the IANA time zone database Argentina has the following zones America Argentina Buenos Aires Buenos Aires BA CF America Argentina Cordoba most locations CD CC CR ER FO MN SF America Argentina Salta SA LP NQ RN America Argentina Jujuy Jujuy JY America Argentina Tucuman Tucuman TM America Argentina Catamarca Catamarca CT Chubut CH America Argentina La Rioja La Rioja LR America Argentina San Juan San Juan SJ America Argentina Mendoza Mendoza MZ America Argentina San Luis San Luis SL America Argentina Rio Gallegos Santa Cruz SC America Argentina Ushuaia Tierra del Fuego TF America Argentina Santiago del Estero SE References edit Hora Oficial Archived 2013 03 30 at the Wayback Machine HORA DE VERANO PARA LA REPUBLICA ARGENTINA Archived from the original on 2003 08 03 Retrieved 2009 10 05 Time Changes in Buenos Aires Over the Years 1925 1949 TimeAndDate com Time Changes in Buenos Aires Over the Years 1970 1979 TimeAndDate com Argentina Time ART Time Zone Time zone names Argentina Time Retrieved 2008 01 26 El Gobierno no adelantara la hora oficial el proximo domingo Actualidad in Spanish 16 October 2009 Archived from the original on 18 October 2009 Retrieved 17 October 2023 tz database The tz database contains an extensive history of time zone and daylight saving time changes with references to official sources for changes to time zones for Argentina and the rest of the world External links edit in Spanish Observatorio Naval Buenos Aires National time nbsp This article about a location in Argentina is a stub You can help Wikipedia by expanding it vte Retrieved from https en wikipedia org w index php title Time in Argentina amp oldid 1180634472, wikipedia, wiki, book, books, library,

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