Koło to Buenos Aires: time difference
Buenos Aires is 5 h behind Koło. 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.
Koło 01:35 1:35 AM Buenos Aires 20:35 8:35 PM You –:–
01:35 1:35 AM
Central European Summer Time · UTC+2
☀️ 07:19 · 🌙 17:43
20:35 8:35 PM
Argentina Standard Time · UTC-3
☀️ 06:07 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Koło.
When you, Koło 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
🇵🇱 Koło
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 | 🇵🇱 Koło | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 01:35 | 20:35 |
| Local date | Tuesday, October 20, 2026 | Monday, October 19, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Koło | — | −5 h |
| IANA zone | Europe/Warsaw | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:19 | 06:07 |
| Sunset | 17:43 | 19:11 |
| Daylight | 10 h 23 min | 13 h 4 min |
| People on this clock | 21,035 | 2,891,082 |
Compare Koło with another city
More comparisons with Koło: the time zones next to it and the far side of the clock.
Big time differences
Koło and Buenos Aires: common questions
How far behind Koło is Buenos Aires?
Buenos Aires is 5 hours behind Koło: UTC−3 against UTC+2.
What time is it in Buenos Aires when it is 9:00 AM in Koło?
When it is 9:00 AM in Koło, it is 4:00 AM in Buenos Aires.
What time is it in Buenos Aires when it is 6:00 PM in Koło?
When it is 6:00 PM in Koło, it is 1:00 PM in Buenos Aires.
Is there a time when both Koło and Buenos Aires are at work?
Yes: from 2:00 PM to 6:00 PM in Koło (9:00 AM to 1:00 PM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Koło?
The new day starts in Buenos Aires later: until 5:00 AM in Koło, it is still the previous day there. From 7:00 PM in Buenos Aires, Koło is already on the next day.
Is the time difference between Koło and Buenos Aires the same all year?
No. Only Koło switches to summer time, so the gap changes twice a year. From October 25, 2026, Buenos Aires will be 4 hours behind Koło.
