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Seoul and Tokyo time difference

Tokyo and Seoul keep the same time.

Plan a meeting in Seoul and TokyoOpens the free planner with both cities: drag the bands to any day and time, add more cities, and share the result.

Work hours overlap for 8 hours: 09:00–17:00 in Seoul, which is 09:00–17:00 in Tokyo.

Hour by hour

On a usual work day (October 14, 2026). Green is 09:00–17:00 work time, dark is night (21:00–07:00).

Seoul	Tokyo
00:00, Night	00:00, Night
01:00, Night	01:00, Night
02:00, Night	02:00, Night
03:00, Night	03:00, Night
04:00, Night	04:00, Night
05:00, Night	05:00, Night
06:00, Night	06:00, Night
07:00, Off hours	07:00, Off hours
08:00, Off hours	08:00, Off hours
09:00, Work hours	09:00, Work hours
10:00, Work hours	10:00, Work hours
11:00, Work hours	11:00, Work hours
12:00, Work hours	12:00, Work hours
13:00, Work hours	13:00, Work hours
14:00, Work hours	14:00, Work hours
15:00, Work hours	15:00, Work hours
16:00, Work hours	16:00, Work hours
17:00, Off hours	17:00, Off hours
18:00, Off hours	18:00, Off hours
19:00, Off hours	19:00, Off hours
20:00, Off hours	20:00, Off hours
21:00, Night	21:00, Night
22:00, Night	22:00, Night
23:00, Night	23:00, Night

Through the year

Dates	Difference
October 8, 2026–October 7, 2027	Tokyo and Seoul keep the same time

Clock changes

Seoul does not change its clocks.

Tokyo does not change its clocks.

Questions

What time is it in Tokyo when it is 09:00 in Seoul?

On a usual day it is 09:00 in Tokyo.

Do Seoul and Tokyo change their clocks on the same day?

Neither changes its clocks, so the difference stays the same all year.

More comparisons

Seoul

Tokyo