Chiayi to Seoul: time difference
Seoul is 1 h ahead of Chiayi. 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.
Chiayi 11:46 11:46 AM Seoul 12:46 12:46 PM You –:–
11:46 11:46 AM
Taipei Standard Time · UTC+8
☀️ 05:57 · 🌙 17:31
12:46 12:46 PM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
·
+1 h
Seoul is 1 h ahead of Chiayi.
When you, Chiayi 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
🇹🇼 Chiayi
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 | 🇹🇼 Chiayi | 🇰🇷 Seoul |
|---|---|---|
| Local time | 11:46 | 12:46 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Taipei Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Chiayi | — | +1 h |
| IANA zone | Asia/Taipei | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:57 | 06:43 |
| Sunset | 17:31 | 17:53 |
| Daylight | 11 h 34 min | 11 h 10 min |
| People on this clock | 269,874 | 9,509,458 |
Compare Chiayi with another city
More comparisons with Chiayi: the time zones next to it and the far side of the clock.
Big time differences
Chiayi and Seoul: common questions
How many hours ahead of Chiayi is Seoul?
The clocks in Seoul are 1 hour ahead of those in Chiayi (UTC+9 and UTC+8).
What time is it in Seoul when it is 9:00 AM in Chiayi?
When it is 9:00 AM in Chiayi, it is 10:00 AM in Seoul.
What time is it in Seoul when it is 6:00 PM in Chiayi?
When it is 6:00 PM in Chiayi, it is 7:00 PM in Seoul.
When do working hours in Chiayi and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Chiayi, which is 10:00 AM to 6:00 PM in Seoul.
From what time in Chiayi is it tomorrow in Seoul?
Once it is 11:00 PM in Chiayi, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in Chiayi.
Does the time difference between Chiayi and Seoul change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
