The time difference between Sydney and Buenos Aires is 13 hours. When it is 12:00 noon in Sydney, it is 23:00 in Buenos Aires. Sydney uses the Australia/Sydney time zone (UTC+10), while Buenos Aires uses America/Argentina/Buenos_Aires (UTC-3).
| Detail | Sydney | Buenos Aires |
|---|---|---|
| Time Zone ID | Australia/Sydney | America/Argentina/Buenos_Aires |
| UTC Offset | UTC+10 | UTC-3 |
| Abbreviation | AEST | -03 |
| DST Active | No | No |
| Country | Australia | Argentina |
| Region | Oceania | South America |
With a 13 hours gap, there is no standard business-hours overlap between Sydney and Buenos Aires. One party will need to adjust their schedule. Early mornings in Sydney or late evenings in Buenos Aires tend to be the most practical compromise.
Use this table to quickly convert any hour from Sydney time to Buenos Aires time. Rows highlighted in green indicate overlapping business hours in both cities.
| Sydney | Buenos Aires | |
|---|---|---|
| 00:00 | 11:00 (-1 day) | Night |
| 01:00 | 12:00 (-1 day) | Night |
| 02:00 | 13:00 (-1 day) | Night |
| 03:00 | 14:00 (-1 day) | Night |
| 04:00 | 15:00 (-1 day) | Night |
| 05:00 | 16:00 (-1 day) | Night |
| 06:00 | 17:00 (-1 day) | |
| 07:00 | 18:00 (-1 day) | |
| 08:00 | 19:00 (-1 day) | |
| 09:00 | 20:00 (-1 day) | |
| 10:00 | 21:00 (-1 day) | |
| 11:00 | 22:00 (-1 day) | |
| 12:00 | 23:00 (-1 day) | |
| 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 | Night |
| 23:00 | 10:00 | Night |
Neither Sydney nor Buenos Aires is currently observing daylight saving time. If either city observes DST, the time difference will change by 1 hour when DST begins or ends. Always double-check before scheduling across these time zones during March–April and October–November.
The time difference is 13 hours. Buenos Aires is 13 hours behind Sydney.
It can. If either Sydney or Buenos Aires observes daylight saving time, the gap will shift by 1 hour during the transition periods (typically March–April and October–November).
There is no ideal window during standard business hours. Consider scheduling at the edges — early morning for the city that is ahead and late afternoon for the city that is behind.
Subtract 13 hours from Sydney time to get Buenos Aires time. Use the hour-by-hour table above for a quick reference.
For sunrise and sunset data, visit TheSunsetTimes.com. For detailed DST schedules, see DaylightSavingTime.info.