Hong Kong to Asan Time Difference
Asan is 1 hour ahead of Hong Kong. When it is noon in Hong Kong, it is 13:00 in Asan.
Hong Kong (UTC+8) → Seoul (UTC+9)
🕐 Interactive Time Explorer
When it's 20:00 in Hong Kong, it's 21:00 in Asan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Hong Kong & Asan✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
2,028 km
Est. Flight Time
~3.4h
Time Difference
+1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 09:00
09:00 - 16:00
⏰ Quick Conversion
06:00
Hong Kong
07:00
Asan
09:00
Hong Kong
10:00
Asan
12:00
Hong Kong
13:00
Asan
15:00
Hong Kong
16:00
Asan
18:00
Hong Kong
19:00
Asan
21:00
Hong Kong
22:00
Asan
00:00
Hong Kong
01:00
Asan
03:00
Hong Kong
04:00
Asan
Frequently Asked Questions
How many hours is Hong Kong behind Asan?
Asan is 1 hour ahead of Hong Kong. When it is 12:00 noon in Hong Kong, it is 13:00 in Asan. Hong Kong operates on Asia/Hong Kong (UTC+8), while Asan uses Asia/Seoul (UTC+9).
What is the best time to call Asan from Hong Kong?
There are 7 hours of overlapping business time (9 AM–5 PM) between Hong Kong and Asan. The best window is 09:00–16:00 Hong Kong time (10:00–17:00 in Asan).
Does the Hong Kong to Asan time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Hong Kong and Asan
The distance between Hong Kong and Asan is approximately 2,028 km. A direct flight typically takes around 3.4 hours. Your arrival clock will show local Asan time — use our Flight Time Calculator to predict exact arrival times.