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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 ]
The tz database partitions the world into regions where local clocks all show the same time. This map was made by combining version 2023d with OpenStreetMap data, using open source software. [1] This is a list of time zones from release 2025a of the tz database. [2]
Buenos Aires, [d] officially the Autonomous City of Buenos Aires, [e] is the capital and largest city of Argentina. It is located on the southwest of the Río de la Plata. Buenos Aires is classified as an Alpha− global city, according to the Globalization and World Cities Research Network (GaWC) 2024 ranking. [14]
Buenos Aires, [a] officially the Buenos Aires Province, [b] is the largest and most populous Argentine province. It takes its name from the city of Buenos Aires , the capital of the country, which used to be part of the province and the province's capital until it was federalized in 1880.
After seceding for a decade, Buenos Aires Province accepted the 1853 Constitution of Argentina in 1861, and its capital city was made a federal territory in 1880. [ 2 ] A law from 1862 designated as national territories those territories under federal control but outside the frontiers of the provinces.
The University of Buenos Aires (Spanish: Universidad de Buenos Aires, UBA) is a public research university in Buenos Aires, Argentina.It was established in 1821. It has educated 17 Argentine presidents, produced four of the country's five Nobel Prize laureates, and is responsible for approximately 40% of the country's research output.
Among the total (in late 2010), 44.7% correspond to the city of Buenos Aires, 21.1% to the Buenos Aires Province, 7.6% to Santa Fe Province, 6.0% to Córdoba Province and 4.5% to Patagonia. The number of e-mail accounts in March 2011 was estimated at around 4.56 million, with a monthly traffic of 3 billion messages. [10]
The first station to open was "Chacarita" terminus, a precarious building that served as terminal for the Buenos Aires Central Railway, originally a horse-drawn railway established by entrepreneur Federico Lacroze that built and operated a line to cities of Zárate in Buenos Aires and 4 de Febrero in Santa Fe. [4]