Current time in Buenos Aires
- Time zone
- America/Argentina/Buenos_Aires
- UTC offset
- UTC-03:00
- Abbreviation
- ART
- Daylight saving time
- Not observed
- Country
- Argentina
- Population
- 2,891,082
Buenos Aires time difference
How far Buenos Aires is ahead of or behind the world's main business hubs right now. Daylight saving time is already applied where it is in effect.
| Compared with | Time difference | UTC offset |
|---|---|---|
| London | 4h aheadChanges with DST | UTC+01:00 |
| New York City | 1h behindChanges with DST | UTC-04:00 |
| Los Angeles | 4h behindChanges with DST | UTC-07:00 |
| Chicago | 2h behindChanges with DST | UTC-05:00 |
| Tokyo | 12h ahead | UTC+09:00 |
| Dubai | 7h ahead | UTC+04:00 |
Clock changes in Buenos Aires
Buenos Aires does not change its clocks: UTC-03:00 applies all year.
Sunrise, sunset and solar time in Buenos Aires
- Sunrise today
- 6:28 AM
- Sunset today
- 6:57 PM
- Day length today
- 12 hours 29 minutes
- Solar noon today
- 12:42 PM
- Longest day
- 14 hours 29 minutes (December 21)
- Shortest day
- 9 hours 50 minutes (June 21)
On standard time, clocks in Buenos Aires run 54 minutes ahead of the sun: solar noon comes at about 12:54 PM, not at 12:00 PM.
Time zone history since 1970
Seasonal clock changes: 1974, 1988–1992, 2007–2008. The last one was on March 15, 2009; since then Buenos Aires has stayed on UTC-03:00 all year.
Source: IANA time zone database, version 2025b.
Worth knowing
Argentina has kept UTC−3 all year since 2009, the last time it used daylight saving time. By longitude most of the country would fit UTC−4, so the clock runs ahead of the sun — in Buenos Aires solar noon comes at around 1 p.m.
Sources: IANA tz database: southamerica
Frequently asked questions
- What time zone is Buenos Aires in?
- Buenos Aires uses the America/Argentina/Buenos_Aires (ART) time zone and is currently on UTC-03:00.
- Does Buenos Aires observe daylight saving time?
- No. Buenos Aires stays on UTC-03:00 all year. Daylight saving time was last used there in 2009.