Chicago to Phnom Penh Time Difference
Phnom Penh is 12 hours ahead of Chicago. When it is noon in Chicago, it is 00:00 in Phnom Penh.
Chicago (UTC-5) → Phnom Penh (UTC+7)
🕐 Interactive Time Explorer
When it's 06:00 in Chicago, it's 18:00 in Phnom Penh
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Chicago & Phnom Penh◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
13,936 km
Est. Flight Time
~17.4h
Time Difference
+12h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Chicago
18:00
Phnom Penh
09:00
Chicago
21:00
Phnom Penh
12:00
Chicago
00:00
Phnom Penh (+1)
15:00
Chicago
03:00
Phnom Penh (+1)
18:00
Chicago
06:00
Phnom Penh (+1)
21:00
Chicago
09:00
Phnom Penh (+1)
00:00
Chicago
12:00
Phnom Penh
03:00
Chicago
15:00
Phnom Penh
Frequently Asked Questions
How many hours is Chicago behind Phnom Penh?
Phnom Penh is 12 hours ahead of Chicago. When it is 12:00 noon in Chicago, it is 00:00 in Phnom Penh. Chicago operates on America/Chicago (UTC-5), while Phnom Penh uses Asia/Phnom Penh (UTC+7).
What is the best time to call Phnom Penh from Chicago?
Standard business hours (9 AM–5 PM) do not overlap between Chicago and Phnom Penh due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Chicago to Phnom Penh 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 Phnom Penh
The distance between Chicago and Phnom Penh is approximately 13,936 km. A direct flight typically takes around 17.4 hours. Your arrival clock will show local Phnom Penh time — use our Flight Time Calculator to predict exact arrival times.