Time in Busan vs São Paulo

Busan keeps KST (UTC+9) and São Paulo keeps UTC−3 (UTC−3) today. São Paulo is 12 hours behind Busan; 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 São Paulo — the nearest workable window is 05:00–06:00 your time (17:00 there).

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

Open in the PlannerAdd more cities, find a meeting time that works for everyone, then share it as a link.Open in Watch ViewKeep Busan, São Paulo 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 São Paulo — the nearest workable window is 05:00–06:00 your time (17:00 there).

Where daylight saving pulls them apart

Neither Busan nor São Paulo changes its clocks, so the gap above holds all year.

Also useful

Common questions

How many hours ahead is São Paulo of Busan?

São Paulo is 12 hours behind Busan right now. The gap is not fixed: it moves whenever either side changes its clocks.

What is the best time to call between Busan and São Paulo?

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 Busan and São Paulo change clocks on the same date?

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