Seoul to Hangzhou: time difference
Hangzhou 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 17:35 5:35 PM Hangzhou 16:35 4:35 PM You –:–
17:35 5:35 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
16:35 4:35 PM
China Standard Time · UTC+8
☀️ 05:58 · 🌙 17:36
·
−1 h
Hangzhou is 1 h behind Seoul.
When you, Seoul and Hangzhou 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
🇨🇳 Hangzhou
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 | 🇨🇳 Hangzhou |
|---|---|---|
| Local time | 17:35 | 16:35 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 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 | 06:36 | 05:58 |
| Sunset | 18:04 | 17:36 |
| Daylight | 11 h 29 min | 11 h 38 min |
| People on this clock | 9,509,458 | 10,360,000 |
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 Hangzhou: common questions
How many hours behind Seoul is Hangzhou?
The clocks in Hangzhou 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 Hangzhou?
At 9:00 AM in Seoul, clocks in Hangzhou show 8:00 AM.
What time is it in Hangzhou when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Hangzhou.
Is there a time when both Seoul and Hangzhou are at work?
Yes: from 10:00 AM to 6:00 PM in Seoul (9:00 AM to 5:00 PM in Hangzhou), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Seoul is it still yesterday in Hangzhou?
Before 1:00 AM in Seoul, the date in Hangzhou has not changed yet. From 11:00 PM in Hangzhou, it is already the next day in Seoul.
Does the time gap between Seoul and Hangzhou change during the year?
No, the clocks change neither in Seoul nor in Hangzhou, so the gap is 1 hour all year round.
