Buenos Aires to Postojna: time difference
Postojna is 5 h ahead of Buenos Aires. 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.
Buenos Aires 00:52 12:52 AM Postojna 05:52 5:52 AM You –:–
00:52 12:52 AM
Argentina Standard Time · UTC-3
☀️ 06:20 · 🌙 19:03
05:52 5:52 AM
Central European Summer Time · UTC+2
☀️ 07:13 · 🌙 18:29
·
+5 h
Postojna is 5 h ahead of Buenos Aires.
When you, Buenos Aires and Postojna are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇦🇷 Buenos Aires
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
🇸🇮 Postojna
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 0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇦🇷 Buenos Aires | 🇸🇮 Postojna |
|---|---|---|
| Local time | 00:52 | 05:52 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Argentina Standard Time | Central European Summer Time |
| UTC offset | UTC-3 | UTC+2 |
| Offset from Buenos Aires | — | +5 h |
| IANA zone | America/Argentina/Buenos Aires | Europe/Ljubljana |
| Daylight saving | Not observed | On summer time → UTC+1, Oct 25, 02:00 |
| Sunrise | 06:20 | 07:13 |
| Sunset | 19:03 | 18:29 |
| Daylight | 12 h 43 min | 11 h 15 min |
| People on this clock | 2,891,082 | 9,600 |
Compare Buenos Aires with another city
More comparisons with Buenos Aires: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Buenos Aires and Postojna: common questions
How many hours ahead of Buenos Aires is Postojna?
The clocks in Postojna are 5 hours ahead of those in Buenos Aires (UTC+2 and UTC−3).
What time is it in Postojna at the start of the working day in Buenos Aires?
The working day in Buenos Aires starts at 9:00 AM; in Postojna it is 2:00 PM at that moment.
What time is it in Postojna at the end of the working day in Buenos Aires?
The working day in Buenos Aires ends at 6:00 PM; in Postojna it is 11:00 PM at that moment.
When do working hours in Buenos Aires and in Postojna overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 1:00 PM in Buenos Aires, which is 2:00 PM to 6:00 PM in Postojna.
When does the date change in Postojna compared with Buenos Aires?
The new day starts in Postojna earlier: at 7:00 PM in Buenos Aires it is already midnight there. Until 5:00 AM in Postojna, Buenos Aires is still on the previous day.
Does the time difference between Buenos Aires and Postojna change?
Yes. The clocks change only in Postojna. From October 25, 2026, Postojna will be 4 hours ahead of Buenos Aires.
