Time difference between Sydney and Buenos Aires
Buenos Aires is currently 13 hours behind Sydney. Their working days do not overlap at all, so one side has to step outside office hours. The table below shows the hours side by side.
National conventions are the default and the public figure. Change them here for your own answer — the chart, the window and the calendar file all follow.
09:00 Sydney At work = 20:00 Buenos Aires Awake
Tap any hour to read it in both cities.
The difference changes twice a year
Sydney and Buenos Aires do not change their clocks on the same dates, so a standing meeting moves by an hour in these weeks.
- 3 October – 2 April −14 h
- usually −13 h
Days when one side is not at work
A public holiday is not a time-zone fact, so no converter shows it — but it is the same question.
- 12 October — Día del Respeto a la Diversidad Cultural Buenos Aires off
- 23 November — Día de la Soberanía Nacional Buenos Aires off
- 8 December — Inmaculada Concepción de María Buenos Aires off
Hour by hour
| Sydney | Buenos Aires | |
|---|---|---|
| 00:00 | 11:00 | |
| 01:00 | 12:00 | |
| 02:00 | 13:00 | |
| 03:00 | 14:00 | |
| 04:00 | 15:00 | |
| 05:00 | 16:00 | |
| 06:00 | 17:00 | |
| 07:00 | 18:00 | |
| 08:00 | 19:00 | |
| 09:00 | 20:00 | |
| 10:00 | 21:00 | |
| 11:00 | 22:00 | |
| 12:00 | 23:00 | |
| 13:00 | 00:00 | |
| 14:00 | 01:00 | |
| 15:00 | 02:00 | |
| 16:00 | 03:00 | |
| 17:00 | 04:00 | |
| 18:00 | 05:00 | |
| 19:00 | 06:00 | |
| 20:00 | 07:00 | |
| 21:00 | 08:00 | |
| 22:00 | 09:00 | |
| 23:00 | 10:00 |
The difference adjusts automatically for daylight saving in both Sydney and Buenos Aires.
The working week
- Sydney
- 09:00 to 17:00, Monday, Tuesday, Wednesday, Thursday, Friday.
- Buenos Aires
- 09:00 to 18:00, Monday, Tuesday, Wednesday, Thursday, Friday.
Sources and last check
Times, offsets and sun positions on this page are computed live from the IANA timezone database and the NOAA solar algorithm, so they do not depend on the review dates below.
- Working hours and weekend days for 55 countries
- Source: Published national labour conventions and government working-hours guidance. Last checked, reviewed every 12 months.
Not covered:A national convention, not any given employer. Countries not listed fall back to a nine-to-five, Monday to Friday default, and pages say so rather than implying we checked.
FAQ
How many hours between Sydney and Buenos Aires?
Buenos Aires is 13 hours behind Sydney (-13 hours).
When is the best time for a meeting?
There is no time that suits both: Sydney works 09:00–17:00 and Buenos Aires works 09:00–18:00 locally, and those never coincide. Someone has to take the call outside office hours.