Brno to Buenos Aires: time difference
Buenos Aires is 5 h behind Brno. 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.
Brno 03:29 3:29 AM Buenos Aires 22:29 10:29 PM You –:–
03:29 3:29 AM
Central European Summer Time · UTC+2
☀️ 07:07 · 🌙 18:16
22:29 10:29 PM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
·
−5 h
Buenos Aires is 5 h behind Brno.
When you, Brno 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
🇨🇿 Brno
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 | 🇨🇿 Brno | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 03:29 | 22:29 |
| Local date | Saturday, October 10, 2026 | Friday, October 9, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Brno | — | −5 h |
| IANA zone | Europe/Prague | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:07 | 06:20 |
| Sunset | 18:16 | 19:03 |
| Daylight | 11 h 9 min | 12 h 43 min |
| People on this clock | 380,127 | 2,891,082 |
Compare Brno with another city
More comparisons with Brno: the time zones next to it and the far side of the clock.
Big time differences
Brno and Buenos Aires: common questions
How far behind Brno is Buenos Aires?
Buenos Aires is 5 hours behind Brno: UTC−3 against UTC+2.
What time is it in Buenos Aires when it is 9:00 AM in Brno?
When it is 9:00 AM in Brno, it is 4:00 AM in Buenos Aires.
What time is it in Buenos Aires at the end of the working day in Brno?
The working day in Brno ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
When do working hours in Brno and in Buenos Aires overlap?
Working hours (9:00 AM–6:00 PM) overlap from 2:00 PM to 6:00 PM in Brno, which is 9:00 AM to 1:00 PM in Buenos Aires.
When is it still the previous day in Buenos Aires?
Until 5:00 AM in Brno 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 Brno.
Does the time difference between Brno and Buenos Aires change?
Yes. The clocks change only in Brno. From October 25, 2026, Buenos Aires will be 4 hours behind Brno.
