Time in Kostanay vs Buenos Aires
Kostanay keeps UTC+5 (UTC+5) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 8 hours behind Kostanay; the rows below read both clocks live.
The working day, side by side
Hours shaded in both rows are inside working hours in both cities: 09:00–10:00 in Buenos Aires (17:00–18:00 your time).
| City | 00:00 in Kostanay | 01:00 in Kostanay | 02:00 in Kostanay | 03:00 in Kostanay | 04:00 in Kostanay | 05:00 in Kostanay | 06:00 in Kostanay | 07:00 in Kostanay | 08:00 in Kostanay | 09:00 in Kostanay | 10:00 in Kostanay | 11:00 in Kostanay | 12:00 in Kostanay | 13:00 in Kostanay | 14:00 in Kostanay | 15:00 in Kostanay | 16:00 in Kostanay | 17:00 in Kostanay | 18:00 in Kostanay | 19:00 in Kostanay | 20:00 in Kostanay | 21:00 in Kostanay | 22:00 in Kostanay | 23:00 in Kostanay |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kostanay—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
| Buenos Aires—— | 00 | 01 | 02 | 03 | 04 | 05 | 06 | 07 | 08 | 09 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 |
- Working hours
- Shoulder
- Night
- Overlap
Do more with Kostanay and Buenos Aires
Best hours to call
17:00 in Kostanay
Inside working hours on both sides
09:00 in Buenos Aires
Where daylight saving pulls them apart
Neither Kostanay nor Buenos Aires changes its clocks, so the gap above holds all year.
Also useful
Common questions
How many hours ahead is Buenos Aires of Kostanay?
Buenos Aires is 8 hours behind Kostanay right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Kostanay and Buenos Aires?
Any hour in 17:00–18:00 Kostanay time is inside working hours in both cities.
Do Kostanay and Buenos Aires change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.