Buenos Aires zone
GMT-3 (GMT-3)
Sydney zone
GMT+10 (GMT+10)
Difference
13 hours ahead of Buenos Aires
Business overlap
No 9-5 overlap
Working hours overlap
Each cell is one hour in Buenos Aires. Filled cells mark when 9 AM – 5 PM in Buenos Aires and Sydney both apply.
0 hours per day
- Buenos Aires
- GMT-3
- Sydney
- GMT+10
- Difference
- +13h
- Business overlap
- 0h
Hour-by-hour conversion
Each row shows the matching local time in Sydney for an hour in Buenos Aires.
| Buenos Aires | Sydney | Day | Window |
|---|---|---|---|
| 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 | next day | — |
| 12:00 PM | 1:00 AM | next day | — |
| 1:00 PM | 2:00 AM | next day | — |
| 2:00 PM | 3:00 AM | next day | — |
| 3:00 PM | 4:00 AM | next day | — |
| 4:00 PM | 5:00 AM | next day | — |
| 5:00 PM | 6:00 AM | next day | — |
| 6:00 PM | 7:00 AM | next day | — |
| 7:00 PM | 8:00 AM | next day | — |
| 8:00 PM | 9:00 AM | next day | — |
| 9:00 PM | 10:00 AM | next day | — |
| 10:00 PM | 11:00 AM | next day | — |
| 11:00 PM | 12:00 PM | next day | — |
Best meeting windows
Standard 9 AM – 5 PM hours in Buenos Aires and Sydney do not overlap. Plan calls for early Buenos Aires morning or late Buenos Aires evening, and rotate the burden between sides.
Tighter overlap is achievable by having the side with later working hours start earlier, or by treating the first and last hours of each side as flexible. The bar above marks every hour where both cities sit inside a 9 AM – 5 PM window.
About converting Buenos Aires time to Sydney time
Buenos Aires follows the America/Argentina/Buenos_Aires time zone (currently GMT-3, GMT-3), while Sydney follows Australia/Sydney (currently GMT+10, GMT+10). Sydney is 13 hours ahead of Buenos Aires right now.
Sydney observes daylight saving time, while Buenos Aires does not. The offset between the two cities changes by one hour at the daylight saving transitions.
Daylight saving transitions in 2026
Buenos Aires
Does not observe daylight saving time.
Sydney
- Fall back · Sunday, April 5, 2026
- Spring forward · Sunday, October 4, 2026
Reverse this conversion
Sydney to Buenos Aires
Open the converter
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Frequently asked questions
- How many hours is Buenos Aires from Sydney?
- Sydney is 13 hours ahead of Buenos Aires right now.
- What time is 9:00 AM Buenos Aires in Sydney?
- 9:00 AM in Buenos Aires is 10:00 PM in Sydney.
- What time is 5:00 PM Buenos Aires in Sydney?
- 5:00 PM in Buenos Aires is 6:00 AM (next day) in Sydney.
- When do Buenos Aires and Sydney business hours overlap?
- Standard 9 AM - 5 PM working hours in Buenos Aires and Sydney do not overlap. You will need an early or late call.
- Does daylight saving time change the difference between Buenos Aires and Sydney?
- Sydney observes daylight saving time while Buenos Aires does not, so the offset between them changes by one hour twice a year.
Local time page
Time in Buenos Aires
Local time page
Time in Sydney