🇦🇺 Sydney ↔ 🇦🇷 Buenos Aires

Sydney is usually 13 hours ahead of Buenos Aires. Sydney observes daylight saving time and Buenos Aires does not, so the difference shifts by an hour around the changeovers.

Sunrise 7:01 AMSunset 4:55 PM(local)

Sunrise 8:02 AMSunset 5:52 PM(local)

Sydney: standard timeNow UTC+10. Next change: October 4, 2026 — clocks go forward 1 hour.
SydneyUTC+10
Buenos AiresUTC-3

🇦🇺 Sydney

Dialing code+61
Population5,557,233
Coordinates33.87°S, 151.21°E
Elevation58 m

🇦🇷 Buenos Aires

Dialing code+54
Population2,891,082
Coordinates34.61°S, 58.38°W
Elevation31 m

No comfortable common working hours — these cities barely overlap.

Working hours assumed 9:00–18:00.

Frequently asked questions

What is the time difference between Sydney and Buenos Aires?
Sydney is 13 hours ahead of Buenos Aires. Use the side-by-side clocks and the day/night strips above to convert any hour between them.
When is the best time to call between Sydney and Buenos Aires?
There is no hour when standard working hours (9:00–18:00) overlap in both Sydney and Buenos Aires, so any call falls outside business hours for at least one side.
Why does the time difference between Sydney and Buenos Aires change?
Because at least one of Sydney and Buenos Aires observes daylight saving time, the difference shifts by an hour when one city changes its clocks and the other has not yet (or does not).