Buenos Aires — America/Buenos_Aires
The current local time in the America/Buenos_Aires IANA time zone is shown below. It is the tz database identifier used in Argentina in the area around Buenos Aires. The zone is currently at UTC -03:00 · GMT-3 and does not observe daylight saving time.
America/Buenos_Aires
Thursday, 22 October 2026 GMT-3
Zone information
Offset & DST
Current UTC offset: -03:00
Daylight saving: Not observed
Countries using America/Buenos_Aires
Buenos Aires vs. major cities
How far Buenos Aires is from the world's main business centres right now, what time it is there when the working day starts in Buenos Aires, and which hours of a 09:00–17:00 day the two places share. Daylight saving changes are applied automatically.
| City | Difference | At 09:00 in Buenos Aires | Shared office hours |
|---|---|---|---|
| New York · United States | −1 h | 08:00 | 10:00–17:00 |
| Los Angeles · United States | −4 h | 05:00 | 13:00–17:00 |
| São Paulo · Brazil | Same time | 09:00 | 09:00–17:00 |
| London · United Kingdom | +4 h | 13:00 | 09:00–13:00 |
| Paris · France | +5 h | 14:00 | 09:00–12:00 |
| Johannesburg · South Africa | +5 h | 14:00 | 09:00–12:00 |
| Dubai · United Arab Emirates | +7 h | 16:00 | 09:00–10:00 |
| Delhi · India | +8:30 h | 17:30 | None |
| Singapore · Singapore | +11 h | 20:00 | None |
| Beijing · China | +11 h | 20:00 | None |
Shared office hours are shown in Buenos Aires time. Compare any set of cities hour by hour in the time zone converter, or pick a slot that suits everyone with the event planner.
Clock changes in Buenos Aires
Since 1970, Buenos Aires has gone through 9 distinct time-keeping periods, observing daylight saving time in 6 of 57 years. Since 2009 it has stayed on UTC -03:00 all year.
No clock changes are scheduled in 2026 or 2027: Buenos Aires stays on UTC -03:00 all year.
Time zone history since 1970
| Years | Offset | Daylight saving |
|---|---|---|
| 1970–1973 | UTC -03:00 all year | No daylight saving time |
| 1974 | UTC -03:00, DST UTC -02:00 | Forward on the fourth Wednesday in January, back on the first Wednesday in May |
| 1975–1987 | UTC -03:00 all year | No daylight saving time |
| 1988 | UTC -02:00 all year | No daylight saving time |
| 1989–1992 | UTC -03:00, DST UTC -02:00 | Forward on the third Sunday in October, back on the first Sunday in March |
| 1993–2006 | UTC -03:00 all year | No daylight saving time |
| 2007 | UTC -02:00 all year | No daylight saving time |
| 2008 | UTC -03:00, DST UTC -02:00 | Forward on the third Sunday in October, back on the third Sunday in March |
| 2009–2026 | UTC -03:00 all year | No daylight saving time |
Source: IANA tz database, as shipped with the Unicode ICU library.
Zones on the same clock as Buenos Aires
All IANA zones →These zones show the same time as America/Buenos_Aires on every day of 2026. Their histories may differ.
America/Araguaina Argentina/La Rioja America/Argentina/La_Rioja Argentina/Rio Gallegos America/Argentina/Rio_Gallegos Argentina/Salta America/Argentina/Salta Argentina/San Juan America/Argentina/San_Juan Argentina/San Luis America/Argentina/San_Luis Argentina/Tucuman America/Argentina/Tucuman Argentina/Ushuaia America/Argentina/Ushuaia Asuncion America/Asuncion Bahia America/Bahia Belem America/Belem Catamarca America/Catamarca Cayenne America/Cayenne Cordoba America/Cordoba Coyhaique America/Coyhaique Fortaleza America/Fortaleza Jujuy America/Jujuy Maceio America/Maceio More references for America/Buenos_Aires
Compare America/Buenos_Aires against other zones with the converter, map, and world clock, or browse the full directory.