Seoul to Yilan: time difference
Yilan 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 Yilan 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
☀️ 05:53 · 🌙 17:24
·
−1 h
Yilan is 1 h behind Seoul.
When you, Seoul and Yilan 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
🇹🇼 Yilan
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 | 🇹🇼 Yilan |
|---|---|---|
| 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 | 05:53 |
| Sunset | 17:52 | 17:24 |
| Daylight | 11 h 8 min | 11 h 31 min |
| People on this clock | 9,509,458 | 95,907 |
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 Yilan: common questions
How many hours behind Seoul is Yilan?
The clocks in Yilan are 1 hour behind those in Seoul (UTC+8 and UTC+9).
If it is 9:00 AM in Seoul, what time is it in Yilan?
At 9:00 AM in Seoul, clocks in Yilan show 8:00 AM.
What time is it in Yilan at the end of the working day in Seoul?
The working day in Seoul ends at 6:00 PM; in Yilan it is 5:00 PM at that moment.
Is there a time when both Seoul and Yilan are at work?
Yes: from 10:00 AM to 6:00 PM in Seoul (9:00 AM to 5:00 PM in Yilan), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Yilan compared with Seoul?
The new day starts in Yilan later: until 1:00 AM in Seoul, it is still the previous day there. From 11:00 PM in Yilan, Seoul is already on the next day.
Is the time difference between Seoul and Yilan the same all year?
Yes. Neither Seoul nor Yilan switches to summer time, so the gap is always 1 hour.
