Calgary to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Calgary. Live clocks for both, the working hours they share, and how each one sits against your own time.
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Calgary 18:24 6:24 PM Buenos Aires 21:24 9:24 PM You –:–
18:24 6:24 PM
Mountain Daylight Time · UTC-6
☀️ 07:50 · 🌙 18:58
21:24 9:24 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+3 h
Buenos Aires is 3 h ahead of Calgary.
When you, Calgary 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
🇨🇦 Calgary
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
- Right now
Time zones side by side
| Detail | 🇨🇦 Calgary | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 18:24 | 21:24 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Mountain Daylight Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Calgary | — | +3 h |
| IANA zone | America/Edmonton | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:50 | 06:20 |
| Sunset | 18:58 | 19:03 |
| Daylight | 11 h 8 min | 12 h 43 min |
| People on this clock | 1,267,344 | 2,891,082 |
Compare Calgary with another city
More comparisons with Calgary: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Calgary and Buenos Aires: common questions
What is the time difference between Calgary and Buenos Aires?
Buenos Aires is 3 hours ahead: it uses UTC−3, while Calgary is on UTC−6.
If it is 9:00 AM in Calgary, what time is it in Buenos Aires?
At 9:00 AM in Calgary, clocks in Buenos Aires show 12:00 PM.
What time is it in Buenos Aires when it is 6:00 PM in Calgary?
When it is 6:00 PM in Calgary, it is 9:00 PM in Buenos Aires.
When do working hours in Calgary and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Calgary, which is 12:00 PM to 6:00 PM in Buenos Aires.
From what time in Calgary is it tomorrow in Buenos Aires?
Once it is 9:00 PM in Calgary, the date in Buenos Aires has already changed. Until 3:00 AM in Buenos Aires, it is still the previous day in Calgary.
Is the time difference between Calgary and Buenos Aires the same all year?
Yes. Neither Calgary nor Buenos Aires switches to summer time, so the gap is always 3 hours.
