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Time difference: Japan and Seoul
Last updated:
Difference now±0Seoul and Japan share the same time
Time in Seoul23:10UTC+9
Time in Japan23:10UTC+9
Changes per year0same all year
Weekday 9–18 overlap9 h
Difference by month (2026, 1st of each month)
| Month | Difference |
|---|---|
| Jan | ±0 |
| Feb | ±0 |
| Mar | ±0 |
| Apr | ±0 |
| May | ±0 |
| Jun | ±0 |
| Jul | ±0 |
| Aug | ±0 |
| Sep | ±0 |
| Oct | ±0 |
| Nov | ±0 |
| Dec | ±0 |
Days in 2026 at each difference
365 d
Japan → Seoul conversion (today)
| Japan | Seoul |
|---|---|
| 00:00 | 00:00 |
| 01:00 | 01:00 |
| 02:00 | 02:00 |
| 03:00 | 03:00 |
| 04:00 | 04:00 |
| 05:00 | 05:00 |
| 06:00 | 06:00 |
| 07:00 | 07:00 |
| 08:00 | 08:00 |
| 09:00 | 09:00 |
| 10:00 | 10:00 |
| 11:00 | 11:00 |
| 12:00 | 12:00 |
| 13:00 | 13:00 |
| 14:00 | 14:00 |
| 15:00 | 15:00 |
| 16:00 | 16:00 |
| 17:00 | 17:00 |
| 18:00 | 18:00 |
| 19:00 | 19:00 |
| 20:00 | 20:00 |
| 21:00 | 21:00 |
| 22:00 | 22:00 |
| 23:00 | 23:00 |
Overlapping office hours today (09–18 local)
09:00 Japan = 09:00 Seoul, 10:00 Japan = 10:00 Seoul, 11:00 Japan = 11:00 Seoul, 12:00 Japan = 12:00 Seoul, 13:00 Japan = 13:00 Seoul, 14:00 Japan = 14:00 Seoul, 15:00 Japan = 15:00 Seoul, 16:00 Japan = 16:00 Seoul, 17:00 Japan = 17:00 Seoul
Clock changes 2026–2027
Neither place changes its clocks in 2026–2027.
Calculated from the IANA Time Zone Database; governments can change their rules.
About this page
Seoul and Japan share the same time.