Seoul to Hong Kong (China): time difference
Hong Kong (China) 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 13:42 1:42 PM Hong Kong (China) 12:42 12:42 PM You –:–
13:42 1:42 PM
Korean Standard Time · UTC+9
☀️ 06:36 · 🌙 18:04
12:42 12:42 PM
Hong Kong Standard Time · UTC+8
☀️ 06:18 · 🌙 18:04
·
−1 h
Hong Kong (China) is 1 h behind Seoul.
When you, Seoul and Hong Kong (China) 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
🇭🇰 Hong Kong (China)
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 | 🇭🇰 Hong Kong (China) |
|---|---|---|
| Local time | 13:42 | 12:42 |
| Local date | Saturday, October 10, 2026 | Saturday, October 10, 2026 |
| Time zone | Korean Standard Time | Hong Kong Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Seoul | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:36 | 06:18 |
| Sunset | 18:04 | 18:04 |
| Daylight | 11 h 29 min | 11 h 46 min |
| People on this clock | 9,509,458 | 7,413,070 |
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 Hong Kong (China): common questions
What is the time difference between Seoul and Hong Kong (China)?
Hong Kong 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 Hong Kong (China)?
At 9:00 AM in Seoul, clocks in Hong Kong show 8:00 AM.
What time is it in Hong Kong (China) when it is 6:00 PM in Seoul?
When it is 6:00 PM in Seoul, it is 5:00 PM in Hong Kong.
Is there a time when both Seoul and Hong Kong (China) are at work?
Yes: from 10:00 AM to 6:00 PM in Seoul (9:00 AM to 5:00 PM in Hong Kong), the working days (9:00 AM–6:00 PM) overlap.
Until what time in Seoul is it still yesterday in Hong Kong (China)?
Before 1:00 AM in Seoul, the date in Hong Kong has not changed yet. From 11:00 PM in Hong Kong, it is already the next day in Seoul.
Does the time gap between Seoul and Hong Kong (China) change during the year?
No, the clocks change neither in Seoul nor in Hong Kong, so the gap is 1 hour all year round.
