Time_in_argentina

Even though Argentina is located at the UTC-4 UT time zone, it uses the UTC-3, and will first observe daylight saving time in 2007. Planet Ark : Argentine Congress OKs Time Change to Save Energy

The first official standardization took place on 1894-08-01, when a decret regulated the time for national railroads.

The official time switched between UTC-4 and UTC-3 from 1920 to 1969, and then between UTC-3 and UTC-2 from 1974 to 1993. On 1993-03-07 it was fixed at UTC-3.

In the tz-database Argentina has the following zones:

1. America/Argentina/Buenos_Aires - Buenos Aires (BA, CF)
2. America/Argentina/Catamarca - Catamarca (CT), Chubut (CH)
3. America/Argentina/Cordoba - most locations (CB, CC, CN, ER, FM, LP, MN, NQ, RN, SA, SE, SF, SL)
4. America/Argentina/Jujuy - Jujuy (JY)
5. America/Argentina/La_Rioja - La Rioja (LR)
6. America/Argentina/Mendoza - Mendoza (MZ)
7. America/Argentina/Rio_Gallegos - Santa Cruz (SC)
8. America/Argentina/San_Juan - San Juan (SJ)
9. America/Argentina/Tucuman - Tucuman (TM)
10. America/Argentina/Ushuaia - Tierra del Fuego (TF)

References

External links

• (Spanish) Observatorio Naval Buenos Aires: National time

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