Butte, MT to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Butte, MT. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
12
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:04 · 🌙 19:14 · 13 h 10 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Butte, MT 04:55 4:55 AM Buenos Aires 07:55 7:55 AM You –:–
04:55 4:55 AM
Mountain Daylight Time · UTC-6
☀️ 07:57 · 🌙 18:33
07:55 7:55 AM
Argentina Standard Time · UTC-3
☀️ 06:04 · 🌙 19:14
·
+3 h
Buenos Aires is 3 h ahead of Butte, MT.
When you, Butte, MT 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
🇺🇸 Butte, MT
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
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 1 1 AM 2 2 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
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Time zones side by side
| Detail | 🇺🇸 Butte, MT | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 04:55 | 07:55 |
| Local date | Thursday, October 22, 2026 | Thursday, October 22, 2026 |
| Time zone | Mountain Daylight Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Butte, MT | — | +3 h |
| IANA zone | America/Denver | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:57 | 06:04 |
| Sunset | 18:33 | 19:14 |
| Daylight | 10 h 36 min | 13 h 10 min |
| People on this clock | 35,000 | 2,891,082 |
Compare Butte, MT with another city
More comparisons with Butte, MT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Butte, MT and Buenos Aires: common questions
What is the time difference between Butte, MT, and Buenos Aires?
Buenos Aires is 3 hours ahead: it uses UTC−3, while Butte is on UTC−6.
What time is it in Buenos Aires at the start of the working day in Butte, MT?
The working day in Butte starts at 9:00 AM; in Buenos Aires it is 12:00 PM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Butte, MT?
When it is 6:00 PM in Butte, it is 9:00 PM in Buenos Aires.
When do working hours in Butte, MT, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Butte, which is 12:00 PM to 6:00 PM in Buenos Aires.
From what time in Butte, MT, is it tomorrow in Buenos Aires?
Once it is 9:00 PM in Butte, the date in Buenos Aires has already changed. Until 3:00 AM in Buenos Aires, it is still the previous day in Butte.
Does the time difference between Butte, MT, and Buenos Aires change?
Yes. The clocks change only in Butte. From November 1, 2026, Buenos Aires will be 4 hours ahead of Butte.
