Sao Tome and Principe to Buenos Aires: time difference
Buenos Aires is 3 h behind Sao Tome and Principe. 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.
Sao Tome and Principe 08:05 8:05 AM Buenos Aires 05:05 5:05 AM You –:–
08:05 8:05 AM
Greenwich Mean Time · UTC+0
☀️ 05:18 · 🌙 17:24
05:05 5:05 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
−3 h
Buenos Aires is 3 h behind Sao Tome and Principe.
When you, Sao Tome and Principe 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
🇸🇹 Sao Tome and Principe
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
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
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Time zones side by side
| Detail | 🇸🇹 Sao Tome and Principe | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 08:05 | 05:05 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Greenwich Mean Time | Argentina Standard Time |
| UTC offset | UTC+0 | UTC-3 |
| Offset from Sao Tome and Principe | — | −3 h |
| IANA zone | Africa/Sao Tome | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:18 | 06:19 |
| Sunset | 17:24 | 19:04 |
| Daylight | 12 h 6 min | 12 h 45 min |
| People on this clock | 204,327 | 2,891,082 |
Compare Sao Tome and Principe with another city
More comparisons with Sao Tome and Principe: the time zones next to it and the far side of the clock.
Big time differences
Sao Tome and Principe and Buenos Aires: common questions
What is the time difference between Sao Tome and Principe and Buenos Aires?
Buenos Aires is 3 hours behind: it uses UTC−3, while Sao Tome and Principe is on UTC+0.
If it is 9:00 AM in Sao Tome and Principe, what time is it in Buenos Aires?
At 9:00 AM in Sao Tome and Principe, clocks in Buenos Aires show 6:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Sao Tome and Principe?
When it is 6:00 PM in Sao Tome and Principe, it is 3:00 PM in Buenos Aires.
When do working hours in Sao Tome and Principe and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 12:00 PM to 6:00 PM in Sao Tome and Principe, which is 9:00 AM to 3:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 3:00 AM in Sao Tome and Principe it is still the previous day in Buenos Aires. The other way round, from 9:00 PM in Buenos Aires it is already the next day in Sao Tome and Principe.
Is the time difference between Sao Tome and Principe and Buenos Aires the same all year?
Yes. Neither Sao Tome and Principe nor Buenos Aires switches to summer time, so the gap is always 3 hours.
