🇨🇿 Kladno, Czech Republic
58
- Central European Summer Time
- UTC+2
- Daytime
☀️ 07:31 · 🌙 18:08 · 10 h 38 min
Kladno to Buenos Aires: time difference
Buenos Aires is 5 h behind Kladno. 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.
Kladno 12:39 12:39 PM Buenos Aires 07:39 7:39 AM You –:–
12:39 12:39 PM
Central European Summer Time · UTC+2
☀️ 07:31 · 🌙 18:08
07:39 7:39 AM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−5 h
Buenos Aires is 5 h behind Kladno.
When you, Kladno 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
🇨🇿 Kladno
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 | 🇨🇿 Kladno | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 12:39 | 07:39 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Central European Summer Time | Argentina Standard Time |
| UTC offset | UTC+2 | UTC-3 |
| Offset from Kladno | — | −5 h |
| IANA zone | Europe/Prague | America/Argentina/Buenos Aires |
| Daylight saving | On summer time → UTC+1, Oct 25, 02:00 | Not observed |
| Sunrise | 07:31 | 06:09 |
| Sunset | 18:08 | 19:11 |
| Daylight | 10 h 38 min | 13 h 2 min |
| People on this clock | 70,000 | 2,891,082 |
Compare Kladno with another city
More comparisons with Kladno: the time zones next to it and the far side of the clock.
Big time differences
Kladno and Buenos Aires: common questions
How many hours behind Kladno is Buenos Aires?
The clocks in Buenos Aires are 5 hours behind those in Kladno (UTC−3 and UTC+2).
If it is 9:00 AM in Kladno, what time is it in Buenos Aires?
At 9:00 AM in Kladno, clocks in Buenos Aires show 4:00 AM.
What time is it in Buenos Aires at the end of the working day in Kladno?
The working day in Kladno ends at 6:00 PM; in Buenos Aires it is 1:00 PM at that moment.
When is a good time to call Buenos Aires from Kladno?
Between 2:00 PM and 6:00 PM in Kladno – that is 9:00 AM to 1:00 PM in Buenos Aires – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Kladno is it still yesterday in Buenos Aires?
Before 5:00 AM in Kladno, the date in Buenos Aires has not changed yet. From 7:00 PM in Buenos Aires, it is already the next day in Kladno.
Does the time difference between Kladno and Buenos Aires change?
Yes. The clocks change only in Kladno. From October 25, 2026, Buenos Aires will be 4 hours behind Kladno.
