Cambodia
United States
Phnom Penh to Boston Time Difference
Boston is 11 hours behind Phnom Penh
Phnom Penh vs Boston — At a Glance
Phnom Penh to Boston — Hour-by-Hour
About Phnom Penh and Boston
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. Boston (population: 0.68M) is known for Harvard, MIT, biotech industry, and American history.
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 Boston.
Calling Between Cities
With 11 hours between Phnom Penh (+855) and Boston (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Phnom Penh uses KHR while Boston uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and Boston share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and Boston visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and Boston?
Boston, United States is 11 hours behind Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and Boston is in the America/New York timezone (UTC-4).
When it's noon in Phnom Penh, what time is it in Boston?
When it's 12:00 PM (noon) in Phnom Penh, it's 1:00 AM in Boston.
What is the best time to call Boston from Phnom Penh?
The best time to call Boston from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 10:00 PM in Boston. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does Boston use?
Boston, 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 Boston?
The primary language in Boston is English. Phnom Penh also speaks English, making communication easier.
How do I dial Boston from Phnom Penh?
To call Boston from Phnom Penh, dial your international access code followed by +1 and the local number. Phnom Penh uses country code +855 and Boston uses +1.