Time in Kōnan vs Buenos Aires
Kōnan keeps JST (UTC+9) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 12 hours behind Kōnan; the rows below read both clocks live.
The working day, side by side
The working days do not meet. there is no working-hour overlap with Buenos Aires — the nearest workable window is 05:00–06:00 your time (17:00 there).
| City | 00:00 in Kōnan | 01:00 in Kōnan | 02:00 in Kōnan | 03:00 in Kōnan | 04:00 in Kōnan | 05:00 in Kōnan | 06:00 in Kōnan | 07:00 in Kōnan | 08:00 in Kōnan | 09:00 in Kōnan | 10:00 in Kōnan | 11:00 in Kōnan | 12:00 in Kōnan | 13:00 in Kōnan | 14:00 in Kōnan | 15:00 in Kōnan | 16:00 in Kōnan | 17:00 in Kōnan | 18:00 in Kōnan | 19:00 in Kōnan | 20:00 in Kōnan | 21:00 in Kōnan | 22:00 in Kōnan | 23:00 in Kōnan |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Kōnan—— | 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 Kōnan and Buenos Aires
Best hours to call
there is no working-hour overlap with Buenos Aires — the nearest workable window is 05:00–06:00 your time (17:00 there).
Where daylight saving pulls them apart
Neither Kōnan 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 Kōnan?
Buenos Aires is 12 hours behind Kōnan right now. The gap is not fixed: it moves whenever either side changes its clocks.
What is the best time to call between Kōnan and Buenos Aires?
There is no hour inside working hours in both cities. 05:00–06:00 your time (17:00 there) is the cheapest compromise, and one side is taking a shoulder hour.
Do Kōnan and Buenos Aires change clocks on the same date?
Neither city changes its clocks, so the gap between them never moves.