Argentina uses UTC−3 throughout the country. The IANA database still lists several provincial zones because their histories differ, but today they all show the same time. Argentina has not used daylight saving time since 2009.
Current time in Argentina's cities
| City | Time now | Zone |
|---|---|---|
| Buenos Aires | 07:50 | UTC−3 |
Time zones in Argentina
The IANA time zone database lists 12 zones for Argentina. Each has its own entry because its clock history differs, even where the current time is the same. The offsets below are for mid-January and mid-July 2027.
| IANA zone | Area | January 2027 | July 2027 |
|---|---|---|---|
America/Argentina/Buenos_Aires | Buenos Aires (BA, CF) | UTC−3 | UTC−3 |
America/Argentina/Cordoba | Argentina (most areas: CB, CC, CN, ER, FM, MN, SE, SF) | UTC−3 | UTC−3 |
America/Argentina/Salta | Salta (SA, LP, NQ, RN) | UTC−3 | UTC−3 |
America/Argentina/Jujuy | Jujuy (JY) | UTC−3 | UTC−3 |
America/Argentina/Tucuman | Tucuman (TM) | UTC−3 | UTC−3 |
America/Argentina/Catamarca | Catamarca (CT), Chubut (CH) | UTC−3 | UTC−3 |
America/Argentina/La_Rioja | La Rioja (LR) | UTC−3 | UTC−3 |
America/Argentina/San_Juan | San Juan (SJ) | UTC−3 | UTC−3 |
America/Argentina/Mendoza | Mendoza (MZ) | UTC−3 | UTC−3 |
America/Argentina/San_Luis | San Luis (SL) | UTC−3 | UTC−3 |
America/Argentina/Rio_Gallegos | Santa Cruz (SC) | UTC−3 | UTC−3 |
America/Argentina/Ushuaia | Tierra del Fuego (TF) | UTC−3 | UTC−3 |
Clock changes in Argentina in 2026 and 2027
No part of Argentina changes its clocks in 2026 or 2027.
Time difference between Argentina and major cities
How far each city is ahead of or behind Argentina (using America/Argentina/Buenos_Aires, the time in Buenos Aires), and how the gap changes when either side changes its clocks between now and the end of 2027.
| City | Now | Through 2026 and 2027 |
|---|---|---|
| London | 4 hours ahead | 4 hours ahead until 25 Oct 2026; 3 hours ahead 25 Oct 2026 to 28 Mar 2027; 4 hours ahead 28 Mar 2027 to 31 Oct 2027; 3 hours ahead from 31 Oct 2027 |
| New York | 1 hour behind | 1 hour behind until 1 Nov 2026; 2 hours behind 1 Nov 2026 to 14 Mar 2027; 1 hour behind 14 Mar 2027 to 7 Nov 2027; 2 hours behind from 7 Nov 2027 |
| Los Angeles | 4 hours behind | 4 hours behind until 1 Nov 2026; 5 hours behind 1 Nov 2026 to 14 Mar 2027; 4 hours behind 14 Mar 2027 to 7 Nov 2027; 5 hours behind from 7 Nov 2027 |
| Dubai | 7 hours ahead | 7 hours ahead all year (no difference in clock changes) |
| Mumbai | 8½ hours ahead | 8½ hours ahead all year (no difference in clock changes) |
| Singapore | 11 hours ahead | 11 hours ahead all year (no difference in clock changes) |
| Tokyo | 12 hours ahead | 12 hours ahead all year (no difference in clock changes) |
| Sydney | 14 hours ahead | 14 hours ahead until 4 Apr 2027; 13 hours ahead 4 Apr 2027 to 3 Oct 2027; 14 hours ahead from 3 Oct 2027 |