Montana to Buenos Aires: time difference
Buenos Aires is 6 h behind Montana. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
14
- Argentina Standard Time
- UTC-3
- Daytime
☀️ 06:14 · 🌙 19:07 · 12 h 54 min
−6 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Montana 22:49 10:49 PM Buenos Aires 16:49 4:49 PM You –:–
22:49 10:49 PM
Eastern European Summer Time · UTC+3
☀️ 07:40 · 🌙 18:48
16:49 4:49 PM
Argentina Standard Time · UTC-3
☀️ 06:14 · 🌙 19:07
·
−6 h
Buenos Aires is 6 h behind Montana.
When you, Montana 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
🇧🇬 Montana
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇧🇬 Montana | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 22:49 | 16:49 |
| Local date | Wednesday, October 14, 2026 | Wednesday, October 14, 2026 |
| Time zone | Eastern European Summer Time | Argentina Standard Time |
| UTC offset | UTC+3 | UTC-3 |
| Offset from Montana | — | −6 h |
| IANA zone | Europe/Sofia | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+2, Oct 25, 03:00 | Not observed |
| Sunrise | 07:40 | 06:14 |
| Sunset | 18:48 | 19:07 |
| Daylight | 11 h 8 min | 12 h 54 min |
| People on this clock | 44,502 | 2,891,082 |
Compare Montana with another city
More comparisons with Montana: the time zones next to it and the far side of the clock.
Big time differences
Montana and Buenos Aires: common questions
What is the time difference between Montana and Buenos Aires?
Buenos Aires is 6 hours behind: it uses UTC−3, while Montana is on UTC+3.
What time is it in Buenos Aires at the start of the working day in Montana?
The working day in Montana starts at 9:00 AM; in Buenos Aires it is 3:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Montana?
When it is 6:00 PM in Montana, it is 12:00 PM in Buenos Aires.
When do working hours in Montana and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 3:00 PM to 6:00 PM in Montana, which is 9:00 AM to 12:00 PM in Buenos Aires.
Until what time in Montana is it still yesterday in Buenos Aires?
Before 6:00 AM in Montana, the date in Buenos Aires has not changed yet. From 6:00 PM in Buenos Aires, it is already the next day in Montana.
Does the time gap between Montana and Buenos Aires change during the year?
Yes – daylight saving time is used in Montana but not in Buenos Aires. From October 25, 2026, Buenos Aires will be 5 hours behind Montana.
