Tainan to Seoul: time difference
Seoul is 1 h ahead of Tainan. Live clocks for both, the working hours they share, and how each one sits against your own time.
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Tainan 08:07 8:07 AM Seoul 09:07 9:07 AM You –:–
08:07 8:07 AM
Taipei Standard Time · UTC+8
☀️ 05:58 · 🌙 17:32
09:07 9:07 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:52
·
+1 h
Seoul is 1 h ahead of Tainan.
When you, Tainan and Seoul are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇹🇼 Tainan
0 12 AM 1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM
🇰🇷 Seoul
1 1 AM 2 2 AM 3 3 AM 4 4 AM 5 5 AM 6 6 AM 7 7 AM 8 8 AM 9 9 AM 10 10 AM 11 11 AM 12 12 PM 13 1 PM 14 2 PM 15 3 PM 16 4 PM 17 5 PM 18 6 PM 19 7 PM 20 8 PM 21 9 PM 22 10 PM 23 11 PM 0 12 AM
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇹🇼 Tainan | 🇰🇷 Seoul |
|---|---|---|
| Local time | 08:07 | 09:07 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Taipei Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Tainan | — | +1 h |
| IANA zone | Asia/Taipei | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:58 | 06:44 |
| Sunset | 17:32 | 17:52 |
| Daylight | 11 h 34 min | 11 h 8 min |
| People on this clock | 1,886,033 | 9,509,458 |
Compare Tainan with another city
More comparisons with Tainan: the time zones next to it and the far side of the clock.
Big time differences
Tainan and Seoul: common questions
How far ahead of Tainan is Seoul?
Seoul is 1 hour ahead of Tainan: UTC+9 against UTC+8.
If it is 9:00 AM in Tainan, what time is it in Seoul?
At 9:00 AM in Tainan, clocks in Seoul show 10:00 AM.
What time is it in Seoul at the end of the working day in Tainan?
The working day in Tainan ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When do working hours in Tainan and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Tainan, which is 10:00 AM to 6:00 PM in Seoul.
When does the date change in Seoul compared with Tainan?
The new day starts in Seoul earlier: at 11:00 PM in Tainan it is already midnight there. Until 1:00 AM in Seoul, Tainan is still on the previous day.
Is the time difference between Tainan and Seoul the same all year?
Yes. Neither Tainan nor Seoul switches to summer time, so the gap is always 1 hour.
