🇭🇰 Hong Kong, Hong Kong (China)
20
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:58 · 11 h 37 min
Hong Kong to Yangsan: time difference
Yangsan is 1 h ahead of Hong Kong. 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.
Hong Kong 23:48 11:48 PM Yangsan 00:48 12:48 AM You –:–
23:48 11:48 PM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:58
00:48 12:48 AM
Korean Standard Time · UTC+9
☀️ 06:33 · 🌙 17:47
·
+1 h
Yangsan is 1 h ahead of Hong Kong.
When you, Hong Kong and Yangsan are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇭🇰 Hong Kong
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
🇰🇷 Yangsan
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 | 🇭🇰 Hong Kong | 🇰🇷 Yangsan |
|---|---|---|
| Local time | 23:48 | 00:48 |
| Local date | Saturday, October 17, 2026 | Sunday, October 18, 2026 |
| Time zone | Hong Kong Standard Time | Korean Standard Time |
| UTC offset | UTC+8 | UTC+9 |
| Offset from Hong Kong | — | +1 h |
| IANA zone | Asia/Hong Kong | Asia/Seoul |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:21 | 06:33 |
| Sunset | 17:58 | 17:47 |
| Daylight | 11 h 37 min | 11 h 14 min |
| People on this clock | 1,367,900 | 335,474 |
Compare Hong Kong with another city
More comparisons with Hong Kong: the time zones next to it and the far side of the clock.
Big time differences
Hong Kong and Yangsan: common questions
What is the time difference between Hong Kong and Yangsan?
Yangsan is 1 hour ahead: it uses UTC+9, while Hong Kong is on UTC+8.
What time is it in Yangsan when it is 9:00 AM in Hong Kong?
When it is 9:00 AM in Hong Kong, it is 10:00 AM in Yangsan.
If it is 6:00 PM in Hong Kong, what time is it in Yangsan?
At 6:00 PM in Hong Kong, clocks in Yangsan show 7:00 PM.
When do working hours in Hong Kong and in Yangsan overlap?
Working hours (9:00 AM–6:00 PM) overlap from 9:00 AM to 5:00 PM in Hong Kong, which is 10:00 AM to 6:00 PM in Yangsan.
When is it already the next day in Yangsan?
From 11:00 PM in Hong Kong it is already the next day in Yangsan. The other way round, until 1:00 AM in Yangsan it is still the previous day in Hong Kong.
Is the time difference between Hong Kong and Yangsan the same all year?
Yes. Neither Hong Kong nor Yangsan switches to summer time, so the gap is always 1 hour.
