Rui'an to Seoul: time difference
Seoul is 1 h ahead of Rui'an. 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.
Rui'an 14:20 2:20 PM Seoul 15:20 3:20 PM You –:–
14:20 2:20 PM
China Standard Time · UTC+8
☀️ 05:57 · 🌙 17:32
15:20 3:20 PM
Korean Standard Time · UTC+9
☀️ 06:38 · 🌙 18:00
·
+1 h
Seoul is 1 h ahead of Rui'an.
When you, Rui'an 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
🇨🇳 Rui'an
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 | 🇨🇳 Rui'an | 🇰🇷 Seoul |
|---|---|---|
| Local time | 14:20 | 15:20 |
| Local date | Tuesday, October 13, 2026 | Tuesday, October 13, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Rui'an | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 05:57 | 06:38 |
| Sunset | 17:32 | 18:00 |
| Daylight | 11 h 35 min | 11 h 22 min |
| People on this clock | 213,600 | 9,509,458 |
Compare Rui'an with another city
More comparisons with Rui'an: the time zones next to it and the far side of the clock.
Big time differences
Rui'an and Seoul: common questions
How far ahead of Rui'an is Seoul?
Seoul is 1 hour ahead of Rui'an: UTC+9 against UTC+8.
What time is it in Seoul when it is 9:00 AM in Rui'an?
When it is 9:00 AM in Rui'an, it is 10:00 AM in Seoul.
What time is it in Seoul at the end of the working day in Rui'an?
The working day in Rui'an ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
Is there a time when both Rui'an and Seoul are at work?
Yes: from 9:00 AM to 5:00 PM in Rui'an (10:00 AM to 6:00 PM in Seoul), the working days (9:00 AM–6:00 PM) overlap.
When does the date change in Seoul compared with Rui'an?
The new day starts in Seoul earlier: at 11:00 PM in Rui'an it is already midnight there. Until 1:00 AM in Seoul, Rui'an is still on the previous day.
Is the time difference between Rui'an and Seoul the same all year?
Yes. Neither Rui'an nor Seoul switches to summer time, so the gap is always 1 hour.
