Time in Yao vs Buenos Aires

Yao keeps JST (UTC+9) and Buenos Aires keeps UTC−3 (UTC−3) today. Buenos Aires is 12 hours behind Yao; 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).

Yao and Buenos Aires hour by hour, with the working-hour overlap shaded
City	00:00 in Yao	01:00 in Yao	02:00 in Yao	03:00 in Yao	04:00 in Yao	05:00 in Yao	06:00 in Yao	07:00 in Yao	08:00 in Yao	09:00 in Yao	10:00 in Yao	11:00 in Yao	12:00 in Yao	13:00 in Yao	14:00 in Yao	15:00 in Yao	16:00 in Yao	17:00 in Yao	18:00 in Yao	19:00 in Yao	20:00 in Yao	21:00 in Yao	22:00 in Yao	23:00 in Yao
Yao——	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 Yao and Buenos Aires

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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 Yao 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 Yao?

Buenos Aires is 12 hours behind Yao right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Yao 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 Yao and Buenos Aires change clocks on the same date?

Neither city changes its clocks, so the gap between them never moves.