Hong Kong to Hai Phong Time Difference
Hai Phong is 1 hour behind Hong Kong. When it is noon in Hong Kong, it is 11:00 in Hai Phong.
Hong Kong (UTC+8) → Ho Chi_Minh (UTC+7)
🕐 Interactive Time Explorer
When it's 19:00 in Hong Kong, it's 18:00 in Hai Phong
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Hong Kong & Hai Phong✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
791 km
Est. Flight Time
~1.9h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Hong Kong
05:00
Hai Phong
09:00
Hong Kong
08:00
Hai Phong
12:00
Hong Kong
11:00
Hai Phong
15:00
Hong Kong
14:00
Hai Phong
18:00
Hong Kong
17:00
Hai Phong
21:00
Hong Kong
20:00
Hai Phong
00:00
Hong Kong
23:00
Hai Phong (-1)
03:00
Hong Kong
02:00
Hai Phong
Frequently Asked Questions
How many hours is Hong Kong ahead of Hai Phong?
Hai Phong is 1 hour behind Hong Kong. When it is 12:00 noon in Hong Kong, it is 11:00 in Hai Phong. Hong Kong operates on Asia/Hong Kong (UTC+8), while Hai Phong uses Asia/Ho Chi Minh (UTC+7).
What is the best time to call Hai Phong from Hong Kong?
There are 8 hours of overlapping business time (9 AM–5 PM) between Hong Kong and Hai Phong. The best window is 10:00–18:00 Hong Kong time (09:00–17:00 in Hai Phong).
Does the Hong Kong to Hai Phong 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 Hai Phong
The distance between Hong Kong and Hai Phong is approximately 791 km. A direct flight typically takes around 1.9 hours. Your arrival clock will show local Hai Phong time — use our Flight Time Calculator to predict exact arrival times.