Centennial, CO to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Centennial, CO. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇦🇷 Buenos Aires, Argentina
27
- Argentina Standard Time
- UTC-3
- Golden hour
☀️ 06:06 · 🌙 19:12 · 13 h 6 min
+3 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Centennial, CO 15:26 3:26 PM Buenos Aires 18:26 6:26 PM You –:–
15:26 3:26 PM
Mountain Daylight Time · UTC-6
☀️ 07:15 · 🌙 18:15
18:26 6:26 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
+3 h
Buenos Aires is 3 h ahead of Centennial, CO.
When you, Centennial, 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
🇺🇸 Centennial, 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
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Centennial, CO | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 15:26 | 18:26 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Mountain Daylight Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Centennial, 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 | 07:15 | 06:06 |
| Sunset | 18:15 | 19:12 |
| Daylight | 10 h 59 min | 13 h 6 min |
| People on this clock | 109,741 | 2,891,082 |
Compare Centennial, CO with another city
More comparisons with Centennial, CO: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Centennial, CO and Buenos Aires: common questions
How far ahead of Centennial, CO, is Buenos Aires?
Buenos Aires is 3 hours ahead of Centennial: UTC−3 against UTC−6.
If it is 9:00 AM in Centennial, CO, what time is it in Buenos Aires?
At 9:00 AM in Centennial, clocks in Buenos Aires show 12:00 PM.
If it is 6:00 PM in Centennial, CO, what time is it in Buenos Aires?
At 6:00 PM in Centennial, clocks in Buenos Aires show 9:00 PM.
Is there a time when both Centennial, CO, and Buenos Aires are at work?
Yes: from 9:00 AM to 3:00 PM in Centennial (12:00 PM to 6:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When is it already the next day in Buenos Aires?
From 9:00 PM in Centennial, CO, it is already the next day in Buenos Aires. The other way round, until 3:00 AM in Buenos Aires it is still the previous day in Centennial.
Does the time gap between Centennial, CO, and Buenos Aires change during the year?
Yes – daylight saving time is used in Centennial but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 4 hours ahead of Centennial.
