Reunion to Buenos Aires: time difference
Buenos Aires is 7 h behind Reunion. 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.
Reunion 10:26 10:26 AM Buenos Aires 03:26 3:26 AM You –:–
10:26 10:26 AM
Réunion Time · UTC+4
☀️ 05:52 · 🌙 18:20
03:26 3:26 AM
Argentina Standard Time · UTC-3
☀️ 06:19 · 🌙 19:04
·
−7 h
Buenos Aires is 7 h behind Reunion.
When you, Reunion 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
🇷🇪 Reunion
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 | 🇷🇪 Reunion | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 10:26 | 03:26 |
| 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 Reunion | — | −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 | 881,348 | 2,891,082 |
Compare Reunion with another city
More comparisons with Reunion: the time zones next to it and the far side of the clock.
Big time differences
Reunion and Buenos Aires: common questions
How far behind Reunion is Buenos Aires?
Buenos Aires is 7 hours behind Reunion: UTC−3 against UTC+4.
If it is 9:00 AM in Reunion, what time is it in Buenos Aires?
At 9:00 AM in Reunion, clocks in Buenos Aires show 2:00 AM.
What time is it in Buenos Aires when it is 6:00 PM in Reunion?
When it is 6:00 PM in Reunion, it is 11:00 AM in Buenos Aires.
When is a good time to call Buenos Aires from Reunion?
Between 4:00 PM and 6:00 PM in Reunion – that is 9:00 AM to 11:00 AM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Reunion is it still yesterday in Buenos Aires?
Before 7:00 AM in Reunion, the date in Buenos Aires has not changed yet. From 5:00 PM in Buenos Aires, it is already the next day in Reunion.
Does the time gap between Reunion and Buenos Aires change during the year?
No, the clocks change neither in Reunion nor in Buenos Aires, so the gap is 7 hours all year round.
