Seoul to Rizhao: time difference
Rizhao 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 15:21 3:21 PM Rizhao 14:21 2:21 PM You –:–
15:21 3:21 PM
Korean Standard Time · UTC+9
☀️ 06:45 · 🌙 17:50
14:21 2:21 PM
China Standard Time · UTC+8
☀️ 06:13 · 🌙 17:22
·
−1 h
Rizhao is 1 h behind Seoul.
When you, Seoul and Rizhao 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
🇨🇳 Rizhao
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 | 🇨🇳 Rizhao |
|---|---|---|
| Local time | 15:21 | 14:21 |
| Local date | Tuesday, October 20, 2026 | Tuesday, October 20, 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 | 06:45 | 06:13 |
| Sunset | 17:50 | 17:22 |
| Daylight | 11 h 5 min | 11 h 10 min |
| People on this clock | 9,509,458 | 1,143,000 |
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 Rizhao: common questions
How many hours behind Seoul is Rizhao?
The clocks in Rizhao are 1 hour behind those in Seoul (UTC+8 and UTC+9).
What time is it in Rizhao at the start of the working day in Seoul?
The working day in Seoul starts at 9:00 AM; in Rizhao it is 8:00 AM at that moment.
What time is it in Rizhao when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Rizhao.
When is a good time to call Rizhao from Seoul?
Between 10:00 AM and 6:00 PM in Seoul – that is 9:00 AM to 5:00 PM in Rizhao – both places are within working hours (9:00 AM–6:00 PM).
Until what time in Seoul is it still yesterday in Rizhao?
Before 1:00 AM in Seoul, the date in Rizhao has not changed yet. From 11:00 PM in Rizhao, it is already the next day in Seoul.
Does the time gap between Seoul and Rizhao change during the year?
No, the clocks change neither in Seoul nor in Rizhao, so the gap is 1 hour all year round.
