Cilaos to Buenos Aires: time difference
Buenos Aires is 7 h behind Cilaos. Live clocks for both, the working hours they share, and how each one sits against your own time.
−7 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Cilaos 09:35 9:35 AM Buenos Aires 02:35 2:35 AM You –:–
09:35 9:35 AM
Réunion Time · UTC+4
☀️ 05:52 · 🌙 18:20
02:35 2:35 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
−7 h
Buenos Aires is 7 h behind Cilaos.
When you, Cilaos 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
🇷🇪 Cilaos
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇷🇪 Cilaos | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 09:35 | 02:35 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Réunion Time | Argentina Standard Time |
| UTC offset | UTC+4 | UTC-3 |
| Offset from Cilaos | — | −7 h |
| IANA zone | Indian/Reunion | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:52 | 06:19 |
| Sunset | 18:20 | 19:04 |
| Daylight | 12 h 27 min | 12 h 45 min |
| People on this clock | 5,500 | 2,891,082 |
Compare Cilaos with another city
More comparisons with Cilaos: the time zones next to it and the far side of the clock.
Big time differences
Cilaos and Buenos Aires: common questions
What is the time difference between Cilaos and Buenos Aires?
Buenos Aires is 7 hours behind: it uses UTC−3, while Cilaos is on UTC+4.
If it is 9:00 AM in Cilaos, what time is it in Buenos Aires?
At 9:00 AM in Cilaos, clocks in Buenos Aires show 2:00 AM.
If it is 6:00 PM in Cilaos, what time is it in Buenos Aires?
At 6:00 PM in Cilaos, clocks in Buenos Aires show 11:00 AM.
When do working hours in Cilaos and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 4:00 PM to 6:00 PM in Cilaos, which is 9:00 AM to 11:00 AM in Buenos Aires.
Until what time in Cilaos is it still yesterday in Buenos Aires?
Before 7:00 AM in Cilaos, the date in Buenos Aires has not changed yet. From 5:00 PM in Buenos Aires, it is already the next day in Cilaos.
Does the time difference between Cilaos and Buenos Aires change?
No. Neither place uses daylight saving time, so the difference stays 7 hours all year.
