Cambodia
United States
Phnom Penh to Chicago Time Difference
Chicago is 12 hours behind Phnom Penh
Phnom Penh vs Chicago — At a Glance
Phnom Penh to Chicago — Hour-by-Hour
About Phnom Penh and Chicago
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. Chicago (population: 2.7M) is known for commodities trading, deep-dish pizza, architecture, and the Chicago Board of Trade.
Business Hours Overlap
Phnom Penh is a national capital, so official government hours (typically 9 AM–5 PM) are the primary window for diplomatic and administrative communication with Chicago.
Calling Between Cities
With 12 hours between Phnom Penh (+855) and Chicago (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Phnom Penh uses KHR while Chicago uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and Chicago share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and Chicago visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and Chicago?
Chicago, United States is 12 hours behind Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and Chicago is in the America/Chicago timezone (UTC-5).
When it's noon in Phnom Penh, what time is it in Chicago?
When it's 12:00 PM (noon) in Phnom Penh, it's 12:00 AM in Chicago.
What is the best time to call Chicago from Phnom Penh?
The best time to call Chicago from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 9:00 PM in Chicago. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does Chicago use?
Chicago, United States uses USD. Phnom Penh uses KHR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Chicago?
The primary language in Chicago is English. Phnom Penh also speaks English, making communication easier.
How do I dial Chicago from Phnom Penh?
To call Chicago from Phnom Penh, dial your international access code followed by +1 and the local number. Phnom Penh uses country code +855 and Chicago uses +1.