Seoul to Heyuan: time difference
Heyuan 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 18:42 6:42 PM Heyuan 17:42 5:42 PM You –:–
18:42 6:42 PM
Korean Standard Time · UTC+9
☀️ 06:45 · 🌙 17:50
17:42 5:42 PM
China Standard Time · UTC+8
☀️ 06:21 · 🌙 17:52
·
−1 h
Heyuan is 1 h behind Seoul.
When you, Seoul and Heyuan 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
🇨🇳 Heyuan
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 | 🇨🇳 Heyuan |
|---|---|---|
| Local time | 18:42 | 17:42 |
| 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 | 06:21 |
| Sunset | 17:50 | 17:52 |
| Daylight | 11 h 5 min | 11 h 31 min |
| People on this clock | 9,509,458 | 2,953,019 |
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 Heyuan: common questions
What is the time difference between Seoul and Heyuan?
Heyuan is 1 hour behind: it uses UTC+8, while Seoul is on UTC+9.
If it is 9:00 AM in Seoul, what time is it in Heyuan?
At 9:00 AM in Seoul, clocks in Heyuan show 8:00 AM.
What time is it in Heyuan when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Heyuan.
When do working hours in Seoul and in Heyuan 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 Heyuan.
When is it still the previous day in Heyuan?
Until 1:00 AM in Seoul it is still the previous day in Heyuan. The other way round, from 11:00 PM in Heyuan it is already the next day in Seoul.
Is the time difference between Seoul and Heyuan the same all year?
Yes. Neither Seoul nor Heyuan switches to summer time, so the gap is always 1 hour.
