Offset
The time difference between Buenos Aires and Sydney is 13 hours.
Buenos Aires (ART) is behind Sydney (AEST).
ART: UTC-3
AEST: UTC+10
Neither Buenos Aires nor Sydney is currently observing daylight saving time.
When to schedule
Standard business hours (9 AM–5 PM, Mon–Fri) in Buenos Aires and Sydney don't overlap on the same weekday. Sydney is 13 hours ahead of Buenos Aires.
With some flexibility, there’s a workable window outside standard hours:
- 6 PM–8 PM in Buenos Aires (7 AM–9 AM the next day in Sydney) — suggest 7:00 PM Buenos Aires (8:00 AM Sydney).
This means an early start or late finish for one side, but it’s a reasonable slot for a one-off meeting.
This window may shift by an hour during daylight saving time.
Public holidays in 2026
National public holidays can affect availability — a counterpart is likely off work on their own holidays, so it's worth planning meetings and deadlines around them.
Argentina
- New Year's DayThu, Jan 1
- CarnivalMon, Feb 16
- CarnivalTue, Feb 17
- Day of Remembrance for Truth and JusticeTue, Mar 24
- Day of the Veterans and Fallen of the Malvinas WarThu, Apr 2
- Good FridayFri, Apr 3
- Labour DayFri, May 1
- May RevolutionMon, May 25
- Anniversary of the Passing of General Martín Miguel de GüemesMon, Jun 15
- General Manuel Belgrano Memorial DaySat, Jun 20
- Independence DayThu, Jul 9
- General José de San Martín Memorial DayMon, Aug 17
- Day of Respect for Cultural DiversityMon, Oct 12
- National Sovereignty DayMon, Nov 23
- Immaculate Conception DayTue, Dec 8
- Christmas DayFri, Dec 25
Australia
- New Year's DayThu, Jan 1
- Australia DayMon, Jan 26
- Good FridayFri, Apr 3
- Easter MondayMon, Apr 6
- Christmas DayFri, Dec 25
- St. Stephen's DayMon, Dec 28
About these zones
Buenos Aires uses Argentina Time (ART). To call Argentina, dial +54.
Sydney uses Australian Eastern Time (AEST, or AEDT). To call Australia, dial +61.
Sydney is approximately 7,350 miles southwest of Buenos Aires.
Quick reference
Full 24-hour conversion table — tap any time to open it in the converter.
| Buenos Aires | Sydney | Day |
|---|---|---|
| 12:00 am | 1:00 pm | Same day |
| 1:00 am | 2:00 pm | Same day |
| 2:00 am | 3:00 pm | Same day |
| 3:00 am | 4:00 pm | Same day |
| 4:00 am | 5:00 pm | Same day |
| 5:00 am | 6:00 pm | Same day |
| 6:00 am | 7:00 pm | Same day |
| 7:00 am | 8:00 pm | Same day |
| 8:00 am | 9:00 pm | Same day |
| 9:00 am | 10:00 pm | Same day |
| 10:00 am | 11:00 pm | Same day |
| 11:00 am | 12:00 am | +1 day |
| 12:00 pm | 1:00 am | +1 day |
| 1:00 pm | 2:00 am | +1 day |
| 2:00 pm | 3:00 am | +1 day |
| 3:00 pm | 4:00 am | +1 day |
| 4:00 pm | 5:00 am | +1 day |
| 5:00 pm | 6:00 am | +1 day |
| 6:00 pm | 7:00 am | +1 day |
| 7:00 pm | 8:00 am | +1 day |
| 8:00 pm | 9:00 am | +1 day |
| 9:00 pm | 10:00 am | +1 day |
| 10:00 pm | 11:00 am | +1 day |
| 11:00 pm | 12:00 pm | +1 day |
Daylight saving time
Sydney observes daylight saving time; Buenos Aires does not. The offset between the two zones changes when Sydney transitions: on Sunday, October 4, 2026, clocks spring forward from AEST to AEDT.
See the daylight saving time page for transition dates across every time zone.
Daylight today
- Sunrise
- 7:55 AM
- Sunset
- 5:51 PM
- Day length
- 9h 56m
- Sunrise
- 6:54 AM
- Sunset
- 4:54 PM
- Day length
- 10h
Cities in these zones
Other cities in Australian Eastern Time
Browse all cities to see the current local time anywhere.
Airports in these zones
Airports in Argentina Time
- AEP
- EZE
Airports in Australian Eastern Time
- SYD
- CBR
Related conversions
Common conversions
- What is 9:00 am Buenos Aires in Sydney?
- 9:00 am Buenos Aires is 10:00 pm Sydney.
- What is 12:00 pm Buenos Aires in Sydney?
- 12:00 pm Buenos Aires is 1:00 am Sydney, the next day.
- What is 12:30 pm Buenos Aires in Sydney?
- 12:30 pm Buenos Aires is 1:30 am Sydney, the next day.
- What is 2:00 pm Buenos Aires in Sydney?
- 2:00 pm Buenos Aires is 3:00 am Sydney, the next day.
- What is 5:00 pm Buenos Aires in Sydney?
- 5:00 pm Buenos Aires is 6:00 am Sydney, the next day.
- What is 11:30 pm Buenos Aires in Sydney?
- 11:30 pm Buenos Aires is 12:30 pm Sydney, the next day.