🇭🇰 Hong Kong, Hong Kong (China)
10
- Hong Kong Standard Time
- UTC+8
- Twilight
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
Hong Kong to Ulsan: time difference
Ulsan 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 05:45 5:45 AM Ulsan 06:45 6:45 AM You –:–
05:45 5:45 AM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
06:45 6:45 AM
Korean Standard Time · UTC+9
☀️ 06:32 · 🌙 17:46
·
+1 h
Ulsan is 1 h ahead of Hong Kong.
When you, Hong Kong and Ulsan 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
🇰🇷 Ulsan
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 | 🇰🇷 Ulsan |
|---|---|---|
| Local time | 05:45 | 06:45 |
| Local date | Sunday, October 18, 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 | 06:32 |
| Sunset | 17:57 | 17:46 |
| Daylight | 11 h 36 min | 11 h 14 min |
| People on this clock | 1,367,900 | 1,129,827 |
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 Ulsan: common questions
How far ahead of Hong Kong is Ulsan?
Ulsan is 1 hour ahead of Hong Kong: UTC+9 against UTC+8.
If it is 9:00 AM in Hong Kong, what time is it in Ulsan?
At 9:00 AM in Hong Kong, clocks in Ulsan show 10:00 AM.
What time is it in Ulsan at the end of the working day in Hong Kong?
The working day in Hong Kong ends at 6:00 PM; in Ulsan it is 7:00 PM at that moment.
When is a good time to call Ulsan from Hong Kong?
Between 9:00 AM and 5:00 PM in Hong Kong – that is 10:00 AM to 6:00 PM in Ulsan – both places are within working hours (9:00 AM–6:00 PM).
When is it already the next day in Ulsan?
From 11:00 PM in Hong Kong it is already the next day in Ulsan. The other way round, until 1:00 AM in Ulsan it is still the previous day in Hong Kong.
Does the time gap between Hong Kong and Ulsan change during the year?
No, the clocks change neither in Hong Kong nor in Ulsan, so the gap is 1 hour all year round.
