Roy, UT to Buenos Aires: time difference
Buenos Aires is 3 h ahead of Roy, UT. 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.
Roy, UT 20:39 8:39 PM Buenos Aires 23:39 11:39 PM You –:–
20:39 8:39 PM
Mountain Daylight Time · UTC-6
☀️ 07:36 · 🌙 18:55
23:39 11:39 PM
Argentina Standard Time · UTC-3
☀️ 06:18 · 🌙 19:05
·
+3 h
Buenos Aires is 3 h ahead of Roy, UT.
When you, Roy, UT 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
🇺🇸 Roy, UT
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
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Time zones side by side
| Detail | 🇺🇸 Roy, UT | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 20:39 | 23:39 |
| Local date | Sunday, October 11, 2026 | Sunday, October 11, 2026 |
| Time zone | Mountain Daylight Time | Argentina Standard Time |
| UTC offset | UTC-6 | UTC-3 |
| Offset from Roy, UT | — | +3 h |
| IANA zone | America/Denver | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-7, Nov 1, 01:00 | Not observed |
| Sunrise | 07:36 | 06:18 |
| Sunset | 18:55 | 19:05 |
| Daylight | 11 h 19 min | 12 h 47 min |
| People on this clock | 39,306 | 2,891,082 |
Compare Roy, UT with another city
More comparisons with Roy, UT: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Roy, UT and Buenos Aires: common questions
How far ahead of Roy, UT, is Buenos Aires?
Buenos Aires is 3 hours ahead of Roy: UTC−3 against UTC−6.
What time is it in Buenos Aires when it is 9:00 AM in Roy, UT?
When it is 9:00 AM in Roy, it is 12:00 PM in Buenos Aires.
If it is 6:00 PM in Roy, UT, what time is it in Buenos Aires?
At 6:00 PM in Roy, clocks in Buenos Aires show 9:00 PM.
When is a good time to call Buenos Aires from Roy, UT?
Between 9:00 AM and 3:00 PM in Roy – that is 12:00 PM to 6:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Buenos Aires compared with Roy, UT?
The new day starts in Buenos Aires earlier: at 9:00 PM in Roy it is already midnight there. Until 3:00 AM in Buenos Aires, Roy is still on the previous day.
Does the time gap between Roy, UT, and Buenos Aires change during the year?
Yes – daylight saving time is used in Roy but not in Buenos Aires. From November 1, 2026, Buenos Aires will be 4 hours ahead of Roy.
