Chicago to Hai Phong Time Difference
Hai Phong is 12 hours ahead of Chicago. When it is noon in Chicago, it is 00:00 in Hai Phong.
Chicago (UTC-5) → Ho Chi_Minh (UTC+7)
🕐 Interactive Time Explorer
When it's 04:00 in Chicago, it's 16:00 in Hai Phong
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Hai Phong◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
12,885 km
Est. Flight Time
~16.2h
Time Difference
+12h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
18:00
Hai Phong
09:00
Chicago
21:00
Hai Phong
12:00
Chicago
00:00
Hai Phong (+1)
15:00
Chicago
03:00
Hai Phong (+1)
18:00
Chicago
06:00
Hai Phong (+1)
21:00
Chicago
09:00
Hai Phong (+1)
00:00
Chicago
12:00
Hai Phong
03:00
Chicago
15:00
Hai Phong
Frequently Asked Questions
How many hours is Chicago behind Hai Phong?
Hai Phong is 12 hours ahead of Chicago. When it is 12:00 noon in Chicago, it is 00:00 in Hai Phong. Chicago operates on America/Chicago (UTC-5), while Hai Phong uses Asia/Ho Chi Minh (UTC+7).
What is the best time to call Hai Phong from Chicago?
Standard business hours (9 AM–5 PM) do not overlap between Chicago and Hai Phong due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Chicago 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 Chicago and Hai Phong
The distance between Chicago and Hai Phong is approximately 12,885 km. A direct flight typically takes around 16.2 hours. Your arrival clock will show local Hai Phong time — use our Flight Time Calculator to predict exact arrival times.