Hai Phong to Hong Kong Time Difference
Hong Kong is 1 hour ahead of Hai Phong. When it is noon in Hai Phong, it is 13:00 in Hong Kong.
Ho Chi_Minh (UTC+7) → Hong Kong (UTC+8)
🕐 Interactive Time Explorer
When it's 07:00 in Hai Phong, it's 08:00 in Hong Kong
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Hai Phong & Hong Kong✓ 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
🟢 Good to Call Now
14:46
09:00 - 16:00
⏰ Quick Conversion
06:00
Hai Phong
07:00
Hong Kong
09:00
Hai Phong
10:00
Hong Kong
12:00
Hai Phong
13:00
Hong Kong
15:00
Hai Phong
16:00
Hong Kong
18:00
Hai Phong
19:00
Hong Kong
21:00
Hai Phong
22:00
Hong Kong
00:00
Hai Phong
01:00
Hong Kong
03:00
Hai Phong
04:00
Hong Kong
Frequently Asked Questions
How many hours is Hai Phong behind Hong Kong?
Hong Kong is 1 hour ahead of Hai Phong. When it is 12:00 noon in Hai Phong, it is 13:00 in Hong Kong. Hai Phong operates on Asia/Ho Chi Minh (UTC+7), while Hong Kong uses Asia/Hong Kong (UTC+8).
What is the best time to call Hong Kong from Hai Phong?
There are 7 hours of overlapping business time (9 AM–5 PM) between Hai Phong and Hong Kong. The best window is 09:00–16:00 Hai Phong time (10:00–17:00 in Hong Kong).
Does the Hai Phong to Hong Kong 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 Hai Phong and Hong Kong
The distance between Hai Phong and Hong Kong is approximately 791 km. A direct flight typically takes around 1.9 hours. Your arrival clock will show local Hong Kong time — use our Flight Time Calculator to predict exact arrival times.