Time in Argentina

From Wikipedia, the free encyclopedia

Even though Argentina is located at the UTC-4 UT time zone, it uses the UTC-3, and observed daylight saving time in 2007. ^[1]

The first official standardization took place on 1894-08-01, when a decree 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:

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