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