Cambodia
Phnom Penh

Cambodia

United States
Boston

United States

Phnom Penh to Boston Time Difference

Boston is 11 hours behind Phnom Penh

Phnom PenhCambodia
9:03 AM
Thursday, April 2, 2026
UTC+7
BostonUnited States
10:03 PM
Wednesday, April 1, 2026
UTC-4

Phnom Penh vs Boston — At a Glance

Phnom Penh
Boston
Time Zone
UTC+7
UTC-4
Currency
KHR
USD
Language
Khmer
English
Dial Code
+855
+1
Hub Type
government
tech

Phnom Penh to Boston — Hour-by-Hour

Phnom Penh, Cambodia
Boston, United States
12:00 AM
1:00 PM(Apr 1)
1:00 AM
2:00 PM(Apr 1)
2:00 AM
3:00 PM(Apr 1)
3:00 AM
4:00 PM(Apr 1)
4:00 AM
5:00 PM(Apr 1)
5:00 AM
6:00 PM(Apr 1)
6:00 AM
7:00 PM(Apr 1)
7:00 AM
8:00 PM(Apr 1)
8:00 AM
9:00 PM(Apr 1)
9:00 AM
10:00 PM(Apr 1)
10:00 AM
11:00 PM(Apr 1)
11:00 AM
12:00 AM
12:00 PM
1:00 AM
1:00 PM
2:00 AM
2:00 PM
3:00 AM
3:00 PM
4:00 AM
4:00 PM
5:00 AM
5:00 PM
6:00 AM
6:00 PM
7:00 AM
7:00 PM
8:00 AM
8:00 PM
9:00 AM
9:00 PM
10:00 AM
10:00 PM
11:00 AM
11:00 PM
12:00 PM

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.

Related City Conversions