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AUTO follows the operating system. Working hours drive the green banding on every grid. All four persist on this device only.

Time in Daitōchō vs Buenos Aires

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

Daitōchō and Buenos Aires hour by hour, with the working-hour overlap shaded
City00:00 in Daitōchō01:00 in Daitōchō02:00 in Daitōchō03:00 in Daitōchō04:00 in Daitōchō05:00 in Daitōchō06:00 in Daitōchō07:00 in Daitōchō08:00 in Daitōchō09:00 in Daitōchō10:00 in Daitōchō11:00 in Daitōchō12:00 in Daitōchō13:00 in Daitōchō14:00 in Daitōchō15:00 in Daitōchō16:00 in Daitōchō17:00 in Daitōchō18:00 in Daitōchō19:00 in Daitōchō20:00 in Daitōchō21:00 in Daitōchō22:00 in Daitōchō23:00 in Daitōchō
Daitōchō——000102030405060708091011121314151617181920212223
Buenos Aires——000102030405060708091011121314151617181920212223
  • Working hours
  • Shoulder
  • Night
  • Overlap

Do more with Daitōchō and Buenos Aires

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Daitōchō, Buenos Aires and other cities on screen as live clocks, under an animated sky and sun.

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 Daitōchō 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 Daitōchō?

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

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

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