Buenos Aires to Perth: time difference
Perth is 4 h ahead of Buenos Aires. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 10:07 10:07 AM Perth 14:07 2:07 PM You –:–
10:07 10:07 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
14:07 2:07 PM
British Summer Time · UTC+1
☀️ 07:52 · 🌙 18:07
·
+4 h
Perth is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Perth are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇬🇧 Perth
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 1 1 AM 2 2 AM 3 3 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇬🇧 Perth |
|---|---|---|
| Local time | 10:07 | 14:07 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Argentina Standard Time | British Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/London |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:09 | 07:52 |
| Sunset | 19:11 | 18:07 |
| Daylight | 13 h 2 min | 10 h 15 min |
| People on this clock | 2,891,082 | 46,660 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Perth: common questions
What is the time difference between Buenos Aires and Perth?
Perth is 4 hours ahead: it uses UTC+1, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Perth?
At 9:00 AM in Buenos Aires, clocks in Perth show 1:00 PM.
If it is 6:00 PM in Buenos Aires, what time is it in Perth?
At 6:00 PM in Buenos Aires, clocks in Perth show 10:00 PM.
Is there a time when both Buenos Aires and Perth are at work?
Yes: from 9:00 AM to 2:00 PM in Buenos Aires (1:00 PM to 6:00 PM in Perth), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Perth compared with Buenos Aires?
The new day starts in Perth earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Perth, Buenos Aires is still on the previous day.
Is the time difference between Buenos Aires and Perth the same all year?
No. Only Perth switches to summer time, so the gap changes twice a year. From October 25, 2026, Perth will be 3 hours ahead of Buenos Aires.
