Yantai to Seoul: time difference
Seoul is 1 h ahead of Yantai. 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.
Yantai 18:39 6:39 PM Seoul 19:39 7:39 PM You –:–
18:39 6:39 PM
China Standard Time · UTC+8
☀️ 06:05 · 🌙 17:15
19:39 7:39 PM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:53
·
+1 h
Seoul is 1 h ahead of Yantai.
When you, Yantai 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
🇨🇳 Yantai
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 | 🇨🇳 Yantai | 🇰🇷 Seoul |
|---|---|---|
| Local time | 18:39 | 19:39 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Yantai | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:05 | 06:43 |
| Sunset | 17:15 | 17:53 |
| Daylight | 11 h 10 min | 11 h 10 min |
| People on this clock | 1,871,000 | 9,509,458 |
Compare Yantai with another city
More comparisons with Yantai: the time zones next to it and the far side of the clock.
Big time differences
Yantai and Seoul: common questions
How many hours ahead of Yantai is Seoul?
The clocks in Seoul are 1 hour ahead of those in Yantai (UTC+9 and UTC+8).
If it is 9:00 AM in Yantai, what time is it in Seoul?
At 9:00 AM in Yantai, clocks in Seoul show 10:00 AM.
What time is it in Seoul at the end of the working day in Yantai?
The working day in Yantai ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When is a good time to call Seoul from Yantai?
Between 9:00 AM and 5:00 PM in Yantai – that is 10:00 AM to 6:00 PM in Seoul – both places are within working hours (9:00 AM–6:00 PM).
When does the date change in Seoul compared with Yantai?
The new day starts in Seoul earlier: at 11:00 PM in Yantai it is already midnight there. Until 1:00 AM in Seoul, Yantai is still on the previous day.
Does the time gap between Yantai and Seoul change during the year?
No, the clocks change neither in Yantai nor in Seoul, so the gap is 1 hour all year round.
