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Time in Argentina

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Time in Argentina

Argentina is located at a longitude that would naturally put it in the UTC−4 or UTC−5 time zone, but it actually uses the UTC−3 time zone. Argentina determines whether to observe daylight saving time on a year-by-year basis, and individual provinces may opt out of the federal decision. At present, Argentina does not observe daylight saving time.[1]

The Argentine Hydrographic Service[2] maintains the official national time.

History

Historically, some or all of Argentina has observed daylight saving time during austral summer 1989–1990 through austral summer 1992–1993, and again in 1999−2000, 2007−2008, and 2008−2009.[3]

The first official standardization took place on 25 September 1894.[4]

The official time switched between UTC−4 and UTC−3 from 1920 to 1969,[5] and then between UTC−3 and UTC−2 from 1974 to 1993.[6] On 7 March 1993 it was fixed at UTC−3, called Argentina Time (ART)[7][8]

IANA time zone database

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, SE, 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)

References

  1. ^ "El Gobierno no adelantará la hora oficial el próximo domingo". Retrieved 2009-10-29. 
  2. ^ Hora Oficial
  3. ^ Planet Ark : Argentine Congress OKs Time Change to Save Energy
  4. ^ "HORA DE VERANO PARA LA REPUBLICA ARGENTINA". Archived from the original on 2003-08-03. Retrieved 2009-10-05. 
  5. ^ [1]
  6. ^ [2]
  7. ^ http://www.timeanddate.com/library/abbreviations/timezones/sa/art.html
  8. ^ "Time zone names- Argentina Time". Retrieved 2008-01-26. 
  • 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

  • (Spanish) Observatorio Naval Buenos Aires: National time

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