Sydney, NS to Buenos Aires: time difference
Buenos Aires is 1 h ahead of Sydney, NS. Live clocks for both, the working hours they share, and how each one sits against your own time.
+1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Sydney, NS 21:19 9:19 PM Buenos Aires 22:19 10:19 PM You –:–
21:19 9:19 PM
Atlantic Standard Time · UTC-4
☀️ 06:48 · 🌙 16:42
22:19 10:19 PM
Argentina Standard Time · UTC-3
☀️ 05:49 · 🌙 19:27
·
+1 h
Buenos Aires is 1 h ahead of Sydney, NS.
When you, Sydney, NS and Buenos Aires are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇨🇦 Sydney, NS
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇦🇷 Buenos Aires
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
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- Working hours
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Time zones side by side
| Detail | 🇨🇦 Sydney, NS | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:19 | 22:19 |
| Local date | Thursday, November 5, 2026 | Thursday, November 5, 2026 |
| Time zone | Atlantic Standard Time | Argentina Standard Time |
| UTC offset | UTC-4 | UTC-3 |
| Offset from Sydney, NS | — | +1 h |
| IANA zone | America/Glace Bay | America/Argentina/Buenos Aires |
| Daylight saving | On standard time → UTC-3, Mar 14, 03:00 | Not observed |
| Sunrise | 06:48 | 05:49 |
| Sunset | 16:42 | 19:27 |
| Daylight | 9 h 55 min | 13 h 38 min |
| People on this clock | 30,960 | 2,891,082 |
Compare Sydney, NS with another city
More comparisons with Sydney, NS: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Sydney, NS and Buenos Aires: common questions
What is the time difference between Sydney, NS, and Buenos Aires?
Buenos Aires is 1 hour ahead: it uses UTC−3, while Sydney is on UTC−4.
What time is it in Buenos Aires at the start of the working day in Sydney, NS?
The working day in Sydney starts at 9:00 AM; in Buenos Aires it is 10:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Sydney, NS?
When it is 6:00 PM in Sydney, it is 7:00 PM in Buenos Aires.
Is there a time when both Sydney, NS, and Buenos Aires are at work?
Yes: from 9:00 AM to 5:00 PM in Sydney (10:00 AM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Sydney, NS?
The new day starts in Buenos Aires earlier: at 11:00 PM in Sydney it is already midnight there. Until 1:00 AM in Buenos Aires, Sydney is still on the previous day.
Does the time difference between Sydney, NS, and Buenos Aires change?
Yes. The clocks change only in Sydney. From March 14, 2027, Buenos Aires and Sydney will have the same time.