Phnom Penh to Chicago Time Difference
Chicago is 12 hours behind Phnom Penh. When it is noon in Phnom Penh, it is 00:00 in Chicago.
Phnom Penh (UTC+7) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 20:00 in Phnom Penh, it's 08:00 in Chicago
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Phnom Penh & Chicago◐ 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
Phnom Penh
18:00
Chicago (-1)
09:00
Phnom Penh
21:00
Chicago (-1)
12:00
Phnom Penh
00:00
Chicago
15:00
Phnom Penh
03:00
Chicago
18:00
Phnom Penh
06:00
Chicago
21:00
Phnom Penh
09:00
Chicago
00:00
Phnom Penh
12:00
Chicago (-1)
03:00
Phnom Penh
15:00
Chicago (-1)
Frequently Asked Questions
How many hours is Phnom Penh ahead of Chicago?
Chicago is 12 hours behind Phnom Penh. When it is 12:00 noon in Phnom Penh, it is 00:00 in Chicago. Phnom Penh operates on Asia/Phnom Penh (UTC+7), while Chicago uses America/Chicago (UTC-5).
What is the best time to call Chicago from Phnom Penh?
Standard business hours (9 AM–5 PM) do not overlap between Phnom Penh and Chicago due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Phnom Penh to Chicago 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 Phnom Penh and Chicago
The distance between Phnom Penh and Chicago is approximately 13,936 km. A direct flight typically takes around 17.4 hours. Your arrival clock will show local Chicago time — use our Flight Time Calculator to predict exact arrival times.