Tulsa, OK to Buenos Aires: time difference
Buenos Aires is 2 h ahead of Tulsa, OK. Live clocks for both, the working hours they share, and how each one sits against your own time.
+2 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tulsa, OK 21:29 9:29 PM Buenos Aires 23:29 11:29 PM You –:–
21:29 9:29 PM
Central Daylight Time · UTC-5
☀️ 07:26 · 🌙 18:58
23:29 11:29 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
+2 h
Buenos Aires is 2 h ahead of Tulsa, OK.
When you, Tulsa, OK 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
🇺🇸 Tulsa, OK
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
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 0 12 AM 1 1 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇺🇸 Tulsa, OK | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 21:29 | 23:29 |
| Local date | Friday, October 9, 2026 | Friday, October 9, 2026 |
| Time zone | Central Daylight Time | Argentina Standard Time |
| UTC offset | UTC-5 | UTC-3 |
| Offset from Tulsa, OK | — | +2 h |
| IANA zone | America/Chicago | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC-6, Nov 1, 01:00 | Not observed |
| Sunrise | 07:26 | 06:20 |
| Sunset | 18:58 | 19:03 |
| Daylight | 11 h 31 min | 12 h 43 min |
| People on this clock | 413,066 | 2,891,082 |
Compare Tulsa, OK with another city
More comparisons with Tulsa, OK: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Tulsa, OK and Buenos Aires: common questions
How many hours ahead of Tulsa, OK, is Buenos Aires?
The clocks in Buenos Aires are 2 hours ahead of those in Tulsa (UTC−3 and UTC−5).
What time is it in Buenos Aires at the start of the working day in Tulsa, OK?
The working day in Tulsa starts at 9:00 AM; in Buenos Aires it is 11:00 AM at that moment.
What time is it in Buenos Aires when it is 6:00 PM in Tulsa, OK?
When it is 6:00 PM in Tulsa, it is 8:00 PM in Buenos Aires.
When do working hours in Tulsa, OK, and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 4:00 PM in Tulsa, which is 11:00 AM to 6:00 PM in Buenos Aires.
When does the date change in Buenos Aires compared with Tulsa, OK?
The new day starts in Buenos Aires earlier: at 10:00 PM in Tulsa it is already midnight there. Until 2:00 AM in Buenos Aires, Tulsa is still on the previous day.
Is the time difference between Tulsa, OK, and Buenos Aires the same all year?
No. Only Tulsa switches to summer time, so the gap changes twice a year. From November 1, 2026, Buenos Aires will be 3 hours ahead of Tulsa.
