Buenos Aires to Aurora, CO: time difference
Aurora, 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 14:05 2:05 PM Aurora, CO 11:05 11:05 AM You –:–
14:05 2:05 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
11:05 11:05 AM
Mountain Daylight Time · UTC-6
☀️ 07:14 · 🌙 18:16
·
−3 h
Aurora, CO is 3 h behind Buenos Aires.
When you, Buenos Aires and Aurora, 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
🇺🇸 Aurora, 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 | 🇺🇸 Aurora, CO |
|---|---|---|
| Local time | 14:05 | 11:05 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 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 | 06:07 | 07:14 |
| Sunset | 19:11 | 18:16 |
| Daylight | 13 h 4 min | 11 h 1 min |
| People on this clock | 2,891,082 | 180,542 |
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 Aurora, CO: common questions
What is the time difference between Buenos Aires and Aurora, CO?
Aurora is 3 hours behind: it uses UTC−6, while Buenos Aires is on UTC−3.
If it is 9:00 AM in Buenos Aires, what time is it in Aurora, CO?
At 9:00 AM in Buenos Aires, clocks in Aurora show 6:00 AM.
If it is 6:00 PM in Buenos Aires, what time is it in Aurora, CO?
At 6:00 PM in Buenos Aires, clocks in Aurora show 3:00 PM.
When is a good time to call Aurora, CO, from Buenos Aires?
Between 12:00 PM and 6:00 PM in Buenos Aires – that is 9:00 AM to 3:00 PM in Aurora – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Aurora, CO?
Until 3:00 AM in Buenos Aires it is still the previous day in Aurora. The other way round, from 9:00 PM in Aurora it is already the next day in Buenos Aires.
Is the time difference between Buenos Aires and Aurora, CO, the same all year?
No. Only Aurora switches to summer time, so the gap changes twice a year. From November 1, 2026, Aurora will be 4 hours behind Buenos Aires.
