Time in Ōta vs Buenos Aires

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

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

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

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

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