Rennes to Buenos Aires: time difference
Buenos Aires is 5 h behind Rennes. Live clocks for both, the working hours they share, and how each one sits against your own time.
−5 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Rennes 16:37 4:37 PM Buenos Aires 11:37 11:37 AM You –:–
16:37 4:37 PM
Central European Summer Time · UTC+2
☀️ 08:34 · 🌙 19:11
11:37 11:37 AM
Argentina Standard Time · UTC-3
☀️ 06:06 · 🌙 19:12
·
−5 h
Buenos Aires is 5 h behind Rennes.
When you, Rennes 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
🇫🇷 Rennes
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
19 7 PM 20 8 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇫🇷 Rennes | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 16:37 | 11:37 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Rennes | — | −5 h |
| IANA zone | Europe/Paris | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 08:34 | 06:06 |
| Sunset | 19:11 | 19:12 |
| Daylight | 10 h 37 min | 13 h 6 min |
| People on this clock | 225,081 | 2,891,082 |
Compare Rennes with another city
More comparisons with Rennes: the time zones next to it and the far side of the clock.
Big time differences
Rennes and Buenos Aires: common questions
What is the time difference between Rennes and Buenos Aires?
Buenos Aires is 5 hours behind: it uses UTC−3, while Rennes is on UTC+2.
What time is it in Buenos Aires at the start of the working day in Rennes?
The working day in Rennes starts at 9:00 AM; in Buenos Aires it is 4:00 AM at that moment.
What time is it in Buenos Aires at the end of the working day in Rennes?
The working day in Rennes ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
Is there a time when both Rennes and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Rennes (9:00 AM to 1:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Buenos Aires?
Until 5:00 AM in Rennes it is still the previous day in Buenos Aires. The other way round, from 7:00 PM in Buenos Aires it is already the next day in Rennes.
Is the time difference between Rennes and Buenos Aires the same all year?
No. Only Rennes switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 4 hours behind Rennes.
