Buenos Aires to Vail, CO: time difference
Vail, CO is 3 h behind 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 00:13 12:13 AM Vail, CO 21:13 9:13 PM You –:–
00:13 12:13 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
21:13 9:13 PM
Mountain Daylight Time · UTC-6
☀️ 07:21 · 🌙 18:20
·
−3 h
Vail, CO is 3 h behind Buenos Aires.
When you, Buenos Aires and Vail, CO 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
🇺🇸 Vail, CO
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 18 6 PM 19 7 PM 20 8 PM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇺🇸 Vail, CO |
|---|---|---|
| Local time | 00:13 | 21:13 |
| Local date | Wednesday, October 21, 2026 | Tuesday, October 20, 2026 |
| Time zone | Argentina Standard Time | Mountain Daylight Time |
| UTC offset | UTC-3 | UTC-6 |
| Offset from Buenos Aires | — | −3 h |
| IANA zone | America/Argentina/Buenos Aires | America/Denver |
| Daylight saving | Not observed | On summer time → UTC-7, Nov 1, 01:00 |
| Sunrise | 06:06 | 07:21 |
| Sunset | 19:12 | 18:20 |
| Daylight | 13 h 6 min | 10 h 59 min |
| People on this clock | 2,891,082 | 5,300 |
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 Vail, CO: common questions
What is the time difference between Buenos Aires and Vail, CO?
Vail is 3 hours behind: it uses UTC−6, while Buenos Aires is on UTC−3.
What time is it in Vail, CO, when it is 9:00 AM in Buenos Aires?
When it is 9:00 AM in Buenos Aires, it is 6:00 AM in Vail.
What time is it in Vail, CO, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Vail it is 3:00 PM at that moment.
When do working hours in Buenos Aires and in Vail, CO, overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Buenos Aires, which is 9:00 AM to 3:00 PM in Vail.
When is it still the previous day in Vail, CO?
Until 3:00 AM in Buenos Aires it is still the previous day in Vail. The other way round, from 9:00 PM in Vail it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Vail, CO, change?
Yes. The clocks change only in Vail. From November 1, 2026, Vail will be 4 hours behind Buenos Aires.
