🇦🇷 Buenos Aires, Argentina
42
- Argentina Standard Time
- UTC-3
- Twilight
☀️ 06:06 · 🌙 19:12 · 13 h 6 min
Buenos Aires to Rio Tinto: time difference
Rio Tinto 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.
+4 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Buenos Aires 19:56 7:56 PM Rio Tinto 23:56 11:56 PM You –:–
19:56 7:56 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
23:56 11:56 PM
Western European Summer Time · UTC+1
☀️ 07:52 · 🌙 18:48
·
+4 h
Rio Tinto is 4 h ahead of Buenos Aires.
When you, Buenos Aires and Rio Tinto 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
🇵🇹 Rio Tinto
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 | 🇵🇹 Rio Tinto |
|---|---|---|
| Local time | 19:56 | 23:56 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Argentina Standard Time | Western European Summer Time |
| UTC offset | UTC-3 | UTC+1 |
| Offset from Buenos Aires | — | +4 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Lisbon |
| Daylight saving | Not observed | On summer time → UTC+0, Oct 25, 01:00 |
| Sunrise | 06:06 | 07:52 |
| Sunset | 19:12 | 18:48 |
| Daylight | 13 h 6 min | 10 h 56 min |
| People on this clock | 2,891,082 | 51,086 |
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 Rio Tinto: common questions
How far ahead of Buenos Aires is Rio Tinto?
Rio Tinto is 4 hours ahead of Buenos Aires: UTC+1 against UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Rio Tinto?
At 9:00 AM in Buenos Aires, clocks in Rio Tinto show 1:00 PM.
What time is it in Rio Tinto at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Rio Tinto it is 10:00 PM at that moment.
When do working hours in Buenos Aires and in Rio Tinto overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 2:00 PM in Buenos Aires, which is 1:00 PM to 6:00 PM in Rio Tinto.
When does the date change in Rio Tinto compared with Buenos Aires?
The new day starts in Rio Tinto earlier: at 8:00 PM in Buenos Aires it is already midnight there. Until 4:00 AM in Rio Tinto, Buenos Aires is still on the previous day.
Does the time gap between Buenos Aires and Rio Tinto change during the year?
Yes – daylight saving time is used in Rio Tinto but not in Buenos Aires. From October 25, 2026, Rio Tinto will be 3 hours ahead of Buenos Aires.
