TIME ZONE CONVERTER
Seoul to Tokyo
Time Converter
Convert Seoul, South Korea to Tokyo, Japan. Compare dates, seasonal differences and meeting hours.
Seoul and Tokyo have the same clock time throughout 2026.
9 AM Seoul = 9 AM Tokyo
Selected date: November 14, 2026.
THE QUICK REFERENCE
CSVSeoul to Tokyo conversion table
November 14, 2026 · Date changes are marked.
View the full 24-hour table
| Seoul | Tokyo |
|---|---|
| 12:00 AM | 12:00 AM |
| 1:00 AM | 1:00 AM |
| 2:00 AM | 2:00 AM |
| 3:00 AM | 3:00 AM |
| 4:00 AM | 4:00 AM |
| 5:00 AM | 5:00 AM |
| 6:00 AM | 6:00 AM |
| 7:00 AM | 7:00 AM |
| 8:00 AM | 8:00 AM |
| 9:00 AM | 9:00 AM |
| 10:00 AM | 10:00 AM |
| 11:00 AM | 11:00 AM |
| Seoul | Tokyo |
|---|---|
| 12:00 PM | 12:00 PM |
| 1:00 PM | 1:00 PM |
| 2:00 PM | 2:00 PM |
| 3:00 PM | 3:00 PM |
| 4:00 PM | 4:00 PM |
| 5:00 PM | 5:00 PM |
| 6:00 PM | 6:00 PM |
| 7:00 PM | 7:00 PM |
| 8:00 PM | 8:00 PM |
| 9:00 PM | 9:00 PM |
| 10:00 PM | 10:00 PM |
| 11:00 PM | 11:00 PM |
Starting with the Tokyo working day
These examples start on 2026-11-14 in Tokyo.
09:00 Tokyo09:00 →Seoul · 2026-11-14
17:00 Tokyo17:00 →Seoul · 2026-11-14
ONE CLOCK TIME. THE WHOLE YEAR.
Year CSV09:00 Seoul to Tokyo throughout 2026
09:00 in Seoul converts to 09:00 in Tokyo on every date in 2026. The destination has the same calendar date.
Every calendar date is included, not just workdays. Date ranges include both endpoints. Based on IANA 2026e; future rules may change.
DON’T LOSE A DAY
When does Seoul time become a different date in Tokyo?
Your complete source day: 2026-11-14. Each range shows which destination date to use.
Seoul · 2026-11-1400:00–24:00UTC+09:00
Tokyo · 2026-11-1400:00–24:00UTC+09:00 Same date
Range starts are included; ends are excluded. 24:00 means midnight at the end of that date. Repeated hours appear separately with their UTC offsets. The strip is proportional to elapsed time.
THE BIGGER PICTURE
2026Some things stay in sync.
The difference between Seoul and Tokyo stays the same throughout 2026.
JANFEBMARAPRMAYJUNJULAUGSEPOCTNOVDEC
0h
Neither selected clock changes its UTC offset during 2026.
CLOCK CHANGES
No upcoming clock adjustment
No clock change is published for either selected time zone in the next 400 days within our supported range.
PLAN BEYOND A SINGLE DAY
Daily CSVSeoul–Tokyo working hours through 2026
Every date calculated with your working windows. 261 selected Seoul workdays; public holidays are not applied.
Least shared time8h
Most common8h
Most shared time8h
Days without a 60-min slot0 / 261
A start time that survives the whole year.
Start a 60-minute meeting in Seoul 09:00–16:00.
These starts fit both working windows on every selected Seoul workday in 2026, using a 15-minute start grid. The end of each range is the last valid start.
Seoul: 09:00–17:00, Mon, Tue, Wed, Thu, Fri. Tokyo: 09:00–17:00, Mon, Tue, Wed, Thu, Fri.
Calculation details and repeated hours
Overnight shifts belong to their start weekday. Host workday means the source calendar date. Repeated local times use the first occurrence.
TWO PLACES. ONE CONNECTION.
≈ 1,153 km apartAcross the map. Across the clock.
THE DETAILS THAT MATTER
Seoul to Tokyo: useful answers
Does the Seoul–Tokyo time difference change in 2026?
The difference stays constant throughout 2026: Tokyo is the same local time compared with Seoul.
Does this conversion change the calendar date?
09:00 in Seoul on 2026-11-14 is 09:00 in Tokyo on 2026-11-14. This selected time stays on the same date in both places. Other times can cross midnight.
Can Seoul and Tokyo meet during working hours?
Your selected working windows have no shared time on 2026-11-14. The planner shows alternatives and how many minutes fall outside each person's working hours. Try another date or adjust the windows.
Related time-zone meanings and conversions
Choose the question you need answered
Calculated with IANA 2026e. Working hours are your preferences; public holidays and calendar availability are not included. Our methodology