Denver, CO to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Denver, CO. 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.
Denver, CO 18:25 6:25 PM Buenos Aires 21:25 9:25 PM You –:–
18:25 6:25 PM
Mountain Daylight Time · UTC-6
☀️ 07:05 · 🌙 18:31
21:25 9:25 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+3 h
Buenos Aires is 3 h ahead of Denver, CO.
When you, Denver, CO 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
🇺🇸 Denver, CO
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
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Time zones side by side
| Detail | 🇺🇸 Denver, CO | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 18:25 | 21:25 |
| 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 Denver, CO | — | +3 h |
| IANA zone | America/Denver | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:05 | 06:20 |
| Sunset | 18:31 | 19:03 |
| Daylight | 11 h 27 min | 12 h 43 min |
| People on this clock | 715,522 | 2,891,082 |
Compare Denver, CO with another city
More comparisons with Denver, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Denver, CO and Buenos Aires: common questions
How far ahead of Denver, CO, is Buenos Aires?
Buenos Aires is 3 hours ahead of Denver: UTC−3 against UTC−6.
What time is it in Buenos Aires when it is 9:00 AM in Denver, CO?
When it is 9:00 AM in Denver, it is 12:00 PM in Buenos Aires.
If it is 6:00 PM in Denver, CO, what time is it in Buenos Aires?
At 6:00 PM in Denver, clocks in Buenos Aires show 9:00 PM.
When do working hours in Denver, CO, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 3:00 PM in Denver, which is 12:00 PM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Denver, CO?
The new day starts in Buenos Aires earlier: at 9:00 PM in Denver it is already midnight there. Until 3:00 AM in Buenos Aires, Denver is still on the previous day.
Does the time difference between Denver, CO, and Buenos Aires change?
Yes. The clocks change only in Denver. From November 1, 2026, Buenos Aires will be 4 hours ahead of Denver.
