Buenos Aires to Greeley, CO: time difference
Greeley, 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 20:27 8:27 PM Greeley, CO 17:27 5:27 PM You –:–
20:27 8:27 PM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
17:27 5:27 PM
Mountain Daylight Time · UTC-6
☀️ 07:16 · 🌙 18:13
·
−3 h
Greeley, CO is 3 h behind Buenos Aires.
When you, Buenos Aires and Greeley, 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
🇺🇸 Greeley, 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 | 🇺🇸 Greeley, CO |
|---|---|---|
| Local time | 20:27 | 17:27 |
| Local date | Tuesday, October 20, 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 | 07:16 |
| Sunset | 19:12 | 18:13 |
| Daylight | 13 h 6 min | 10 h 57 min |
| People on this clock | 2,891,082 | 108,795 |
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 Greeley, CO: common questions
What is the time difference between Buenos Aires and Greeley, CO?
Greeley is 3 hours behind: it uses UTC−6, while Buenos Aires is on UTC−3.
What time is it in Greeley, 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 Greeley.
What time is it in Greeley, CO, at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Greeley it is 3:00 PM at that moment.
When is a good time to call Greeley, 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 Greeley – both places are within working hours (9:00 AM–6:00 PM).
When is it still the previous day in Greeley, CO?
Until 3:00 AM in Buenos Aires it is still the previous day in Greeley. The other way round, from 9:00 PM in Greeley it is already the next day in Buenos Aires.
Does the time difference between Buenos Aires and Greeley, CO, change?
Yes. The clocks change only in Greeley. From November 1, 2026, Greeley will be 4 hours behind Buenos Aires.
