Time in Tokyo vs Rio de Janeiro

Tokyo keeps JST (UTC+9) and Rio de Janeiro keeps UTC−3 (UTC−3) today. Rio de Janeiro is 12 hours behind Tokyo; 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 Rio de Janeiro — the nearest workable window is 05:00–06:00 your time (17:00 there).

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

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Best hours to call

there is no working-hour overlap with Rio de Janeiro — the nearest workable window is 05:00–06:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Tokyo nor Rio de Janeiro changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is Rio de Janeiro of Tokyo?

Rio de Janeiro is 12 hours behind Tokyo right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Tokyo and Rio de Janeiro?

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 Tokyo and Rio de Janeiro change clocks on the same date?

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