Cambodia
United States
Phnom Penh to Washington D.C. Time Difference
Washington D.C. is 11 hours behind Phnom Penh
Phnom Penh vs Washington D.C. — At a Glance
Phnom Penh to Washington D.C. — Hour-by-Hour
About Phnom Penh and Washington D.C.
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. Washington D.C. (population: 0.7M) is known for the U.S. capital, the White House, Congress, and the Smithsonian museums.
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 Washington D.C..
Calling Between Cities
With 11 hours between Phnom Penh (+855) and Washington D.C. (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Phnom Penh uses KHR while Washington D.C. uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and Washington D.C. share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and Washington D.C. visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and Washington D.C.?
Washington D.C., United States is 11 hours behind Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and Washington D.C. is in the America/New York timezone (UTC-4).
When it's noon in Phnom Penh, what time is it in Washington D.C.?
When it's 12:00 PM (noon) in Phnom Penh, it's 1:00 AM in Washington D.C..
What is the best time to call Washington D.C. from Phnom Penh?
The best time to call Washington D.C. from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 10:00 PM in Washington D.C.. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does Washington D.C. use?
Washington D.C., 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 Washington D.C.?
The primary language in Washington D.C. is English. Phnom Penh also speaks English, making communication easier.
How do I dial Washington D.C. from Phnom Penh?
To call Washington D.C. from Phnom Penh, dial your international access code followed by +1 and the local number. Phnom Penh uses country code +855 and Washington D.C. uses +1.
