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

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
Sydney, NS 21:19 9:19 PM Buenos Aires 22:19 10:19 PM You –:–
🇨🇦 Sydney, NS

21:19 9:19 PM

Atlantic Standard Time · UTC-4

☀️ 06:48 · 🌙 16:42

🇦🇷 Buenos Aires

22:19 10:19 PM

Argentina Standard Time · UTC-3

☀️ 05:49 · 🌙 19:27

⇄ Difference

+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
  • Asleep
  • Early
  • Working hours
  • Evening
  • Both working
  • Right now

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.

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.
Show times on the 12-hour clock, temperatures in °F and distances in miles?