Yilan to Seoul: time difference
Seoul is 1 h ahead of Yilan. 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.
Yilan 08:07 8:07 AM Seoul 09:07 9:07 AM You –:–
08:07 8:07 AM
Taipei Standard Time · UTC+8
☀️ 05:53 · 🌙 17:24
09:07 9:07 AM
Korean Standard Time · UTC+9
☀️ 06:44 · 🌙 17:52
·
+1 h
Seoul is 1 h ahead of Yilan.
When you, Yilan 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
🇹🇼 Yilan
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 | 🇹🇼 Yilan | 🇰🇷 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 Yilan | — | +1 h |
| IANA zone | Asia/Taipei | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:53 | 06:44 |
| Sunset | 17:24 | 17:52 |
| Daylight | 11 h 31 min | 11 h 8 min |
| People on this clock | 95,907 | 9,509,458 |
Compare Yilan with another city
More comparisons with Yilan: the time zones next to it and the far side of the clock.
Big time differences
Yilan and Seoul: common questions
What is the time difference between Yilan and Seoul?
Seoul is 1 hour ahead: it uses UTC+9, while Yilan is on UTC+8.
If it is 9:00 AM in Yilan, what time is it in Seoul?
At 9:00 AM in Yilan, clocks in Seoul show 10:00 AM.
What time is it in Seoul when it is 6:00 PM in Yilan?
When it is 6:00 PM in Yilan, it is 7:00 PM in Seoul.
Is there a time when both Yilan and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in Yilan (10:00 AM to 6:00 PM in Seoul), the working days (9:00 AM–6:00 PM) overlap.
From what time in Yilan is it tomorrow in Seoul?
Once it is 11:00 PM in Yilan, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in Yilan.
Is the time difference between Yilan and Seoul the same all year?
Yes. Neither Yilan nor Seoul switches to summer time, so the gap is always 1 hour.
