Ansan to Hong Kong: time difference
Hong Kong is 1 h behind Ansan. Live clocks for both, the working hours they share, and how each one sits against your own time.
🇭🇰 Hong Kong, Hong Kong (China)
51
- Hong Kong Standard Time
- UTC+8
- Night
☀️ 06:21 · 🌙 17:57 · 11 h 36 min
−1 h
Your time
One day, 2 clocks
Drag along the band to read any hour in every place at once.
Ansan 02:22 2:22 AM Hong Kong 01:22 1:22 AM You –:–
02:22 2:22 AM
Korean Standard Time · UTC+9
☀️ 06:43 · 🌙 17:54
01:22 1:22 AM
Hong Kong Standard Time · UTC+8
☀️ 06:21 · 🌙 17:57
·
−1 h
Hong Kong is 1 h behind Ansan.
When you, Ansan and Hong Kong are all at the desk
Pick the working hours below – the window every location shares appears once your time zone is known.
Working hours
🇰🇷 Ansan
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
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 | 🇰🇷 Ansan | 🇭🇰 Hong Kong |
|---|---|---|
| Local time | 02:22 | 01:22 |
| Local date | Sunday, October 18, 2026 | Sunday, October 18, 2026 |
| Time zone | Korean Standard Time | Hong Kong Standard Time |
| UTC offset | UTC+9 | UTC+8 |
| Offset from Ansan | — | −1 h |
| IANA zone | Asia/Seoul | Asia/Hong Kong |
| Daylight saving | Not observed | Not observed |
| Sunrise | 06:43 | 06:21 |
| Sunset | 17:54 | 17:57 |
| Daylight | 11 h 10 min | 11 h 36 min |
| People on this clock | 677,710 | 1,367,900 |
Compare Ansan with another city
More comparisons with Ansan: the time zones next to it and the far side of the clock.
Nearby time zones
Big time differences
Ansan and Hong Kong: common questions
What is the time difference between Ansan and Hong Kong?
Hong Kong is 1 hour behind: it uses UTC+8, while Ansan is on UTC+9.
What time is it in Hong Kong at the start of the working day in Ansan?
The working day in Ansan starts at 9:00 AM; in Hong Kong it is 8:00 AM at that moment.
What time is it in Hong Kong at the end of the working day in Ansan?
The working day in Ansan ends at 6:00 PM; in Hong Kong it is 5:00 PM at that moment.
Is there a time when both Ansan and Hong Kong are at work?
Yes: from 10:00 AM to 6:00 PM in Ansan (9:00 AM to 5:00 PM in Hong Kong), the working days (9:00 AM–6:00 PM) overlap.
When is it still the previous day in Hong Kong?
Until 1:00 AM in Ansan it is still the previous day in Hong Kong. The other way round, from 11:00 PM in Hong Kong it is already the next day in Ansan.
Is the time difference between Ansan and Hong Kong the same all year?
Yes. Neither Ansan nor Hong Kong switches to summer time, so the gap is always 1 hour.
