Seoul to Rui'an: time difference
Rui'an 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 15:20 3:20 PM Rui'an 14:20 2:20 PM You –:–
15:20 3:20 PM
Korean Standard Time · UTC+9
☀️ 06:38 · 🌙 18:00
14:20 2:20 PM
China Standard Time · UTC+8
☀️ 05:57 · 🌙 17:32
·
−1 h
Rui'an is 1 h behind Seoul.
When you, Seoul and Rui'an 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
🇨🇳 Rui'an
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 | 🇨🇳 Rui'an |
|---|---|---|
| Local time | 15:20 | 14:20 |
| Local date | Tuesday, October 13, 2026 | Tuesday, October 13, 2026 |
| Time zone | Korean Standard Time | China Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Shanghai |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:38 | 05:57 |
| Sunset | 18:00 | 17:32 |
| Daylight | 11 h 22 min | 11 h 35 min |
| People on this clock | 9,509,458 | 213,600 |
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 Rui'an: common questions
How many hours behind Seoul is Rui'an?
The clocks in Rui'an 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 Rui'an?
At 9:00 AM in Seoul, clocks in Rui'an show 8:00 AM.
What time is it in Rui'an at the end of the working day in Seoul?
The working day in Seoul ends at 6:00 PM; in Rui'an it is 5:00 PM at that moment.
When do working hours in Seoul and in Rui'an overlap?
Working hours (9:00 AM–6:00 PM) overlap from 10:00 AM to 6:00 PM in Seoul, which is 9:00 AM to 5:00 PM in Rui'an.
When does the date change in Rui'an compared with Seoul?
The new day starts in Rui'an later: until 1:00 AM in Seoul, it is still the previous day there. From 11:00 PM in Rui'an, Seoul is already on the next day.
Does the time difference between Seoul and Rui'an change?
No. Neither place uses daylight saving time, so the difference stays 1 hour all year.
