Seoul to Tainan: time difference
Tainan is 1 h behind Seoul. 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.
Seoul 09:48 9:48 AM Tainan 08:48 8:48 AM You –:–
09:48 9:48 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:52
08:48 8:48 AM
Taipei Standard Time · UTC+8
☀️ 05:58 · 🌙 17:32
·
−1 h
Tainan is 1 h behind Seoul.
When you, Seoul and Tainan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Seoul
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
🇹🇼 Tainan
23 11 PM 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
📍 Your time
- Asleep
- Early
- Working hours
- Evening
- Both working
- Right now
Time zones side by side
| Detail | 🇰🇷 Seoul | 🇹🇼 Tainan |
|---|---|---|
| Local time | 09:48 | 08:48 |
| Local date | Monday, October 19, 2026 | Monday, October 19, 2026 |
| Time zone | Korean Standard Time | Taipei Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Taipei |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:44 | 05:58 |
| Sunset | 17:52 | 17:32 |
| Daylight | 11 h 8 min | 11 h 34 min |
| People on this clock | 9,509,458 | 1,886,033 |
Compare Seoul with another city
More comparisons with Seoul: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Seoul and Tainan: common questions
What is the time difference between Seoul and Tainan?
Tainan is 1 hour behind: it uses UTC+8, while Seoul is on UTC+9.
If it is 9:00 AM in Seoul, what time is it in Tainan?
At 9:00 AM in Seoul, clocks in Tainan show 8:00 AM.
What time is it in Tainan when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Tainan.
When is a good time to call Tainan from Seoul?
Between 10:00 AM and 6:00 PM in Seoul – that is 9:00 AM to 5:00 PM in Tainan – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Seoul is it still yesterday in Tainan?
Before 1:00 AM in Seoul, the date in Tainan has not changed yet. From 11:00 PM in Tainan, it is already the next day in Seoul.
Does the time difference between Seoul and Tainan change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
