Heze to Seoul: time difference
Seoul is 1 h ahead of Heze. 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.
Heze 10:20 10:20 AM Seoul 11:20 11:20 AM You –:–
10:20 10:20 AM
China Standard Time · UTC+8
☀️ 06:24 · 🌙 17:45
11:20 11:20 AM
Korean Standard Time · UTC+9
☀️ 06:40 · 🌙 17:57
·
+1 h
Seoul is 1 h ahead of Heze.
When you, Heze 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
🇨🇳 Heze
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 | 🇨🇳 Heze | 🇰🇷 Seoul |
|---|---|---|
| Local time | 10:20 | 11:20 |
| Local date | Thursday, October 15, 2026 | Thursday, October 15, 2026 |
| Time zone | China Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Heze | — | +1 h |
| IANA zone | Asia/Shanghai | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:24 | 06:40 |
| Sunset | 17:45 | 17:57 |
| Daylight | 11 h 21 min | 11 h 17 min |
| People on this clock | 8,795,939 | 9,509,458 |
Compare Heze with another city
More comparisons with Heze: the time zones next to it and the far side of the clock.
Big time differences
Heze and Seoul: common questions
How many hours ahead of Heze is Seoul?
The clocks in Seoul are 1 hour ahead of those in Heze (UTC+9 and UTC+8).
What time is it in Seoul at the start of the working day in Heze?
The working day in Heze starts at 9:00 AM; in Seoul it is 10:00 AM at that moment.
What time is it in Seoul at the end of the working day in Heze?
The working day in Heze ends at 6:00 PM; in Seoul it is 7:00 PM at that moment.
When do working hours in Heze and in Seoul overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Heze, which is 10:00 AM to 6:00 PM in Seoul.
From what time in Heze is it tomorrow in Seoul?
Once it is 11:00 PM in Heze, the date in Seoul has already changed. Until 1:00 AM in Seoul, it is still the previous day in Heze.
Is the time difference between Heze and Seoul the same all year?
Yes. Neither Heze nor Seoul switches to summer time, so the gap is always 1 hour.
