Kostanay to Buenos Aires: time difference
Buenos Aires is 9 h behind Kostanay. Live clocks for both, the working hours they share, and how each one sits against your own time.
−9 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Kostanay 23:38 11:38 PM Buenos Aires 14:38 2:38 PM You –:–
23:38 11:38 PM
East Kazakhstan Time · UTC+6
☀️ 08:17 · 🌙 18:45
14:38 2:38 PM
Argentina Standard Time · UTC-3
☀️ 06:09 · 🌙 19:11
·
−9 h
Buenos Aires is 9 h behind Kostanay.
When you, Kostanay 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
🇰🇿 Kostanay
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
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 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇿 Kostanay | 🇦🇷 Buenos Aires |
|---|---|---|
| Local time | 23:38 | 14:38 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | East Kazakhstan Time | Argentina Standard Time |
| UTC offset | UTC+6 | UTC-3 |
| Offset from Kostanay | — | −9 h |
| IANA zone | Asia/Qostanay | America/Argentina/Buenos Aires |
| Daylight saving | Not observed | Not observed |
| Sunrise | 08:17 | 06:09 |
| Sunset | 18:45 | 19:11 |
| Daylight | 10 h 28 min | 13 h 2 min |
| People on this clock | 264,446 | 2,891,082 |
Compare Kostanay with another city
More comparisons with Kostanay: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Kostanay and Buenos Aires: common questions
How far behind Kostanay is Buenos Aires?
Buenos Aires is 8 hours behind Kostanay: UTC−3 against UTC+5.
If it is 9:00 AM in Kostanay, what time is it in Buenos Aires?
At 9:00 AM in Kostanay, clocks in Buenos Aires show 1:00 AM.
If it is 6:00 PM in Kostanay, what time is it in Buenos Aires?
At 6:00 PM in Kostanay, clocks in Buenos Aires show 10:00 AM.
Is there a time when both Kostanay and Buenos Aires are at work?
Yes: from 5:00 PM to 6:00 PM in Kostanay (9:00 AM to 10:00 AM in Buenos Aires), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Buenos Aires compared with Kostanay?
The new day starts in Buenos Aires later: until 8:00 AM in Kostanay, it is still the previous day there. From 4:00 PM in Buenos Aires, Kostanay is already on the next day.
Does the time gap between Kostanay and Buenos Aires change during the year?
No, the clocks change neither in Kostanay nor in Buenos Aires, so the gap is 8 hours all year round.
