Cambodia
United States
Phnom Penh to Houston Time Difference
Houston is 12 hours behind Phnom Penh
Phnom Penh vs Houston — At a Glance
Phnom Penh to Houston — Hour-by-Hour
About Phnom Penh and Houston
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. Houston (population: 2.3M) is known for NASA's Johnson Space Center, energy sector capital, and the Texas Medical Center.
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 Houston.
Calling Between Cities
With 12 hours between Phnom Penh (+855) and Houston (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Phnom Penh uses KHR while Houston uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and Houston share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and Houston visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and Houston?
Houston, United States is 12 hours behind Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and Houston is in the America/Chicago timezone (UTC-5).
When it's noon in Phnom Penh, what time is it in Houston?
When it's 12:00 PM (noon) in Phnom Penh, it's 12:00 AM in Houston.
What is the best time to call Houston from Phnom Penh?
The best time to call Houston from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 9:00 PM in Houston. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does Houston use?
Houston, 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 Houston?
The primary languages in Houston are English, Spanish. Phnom Penh also speaks English, making communication easier.
How do I dial Houston from Phnom Penh?
To call Houston from Phnom Penh, dial your international access code followed by +1 and the local number. Phnom Penh uses country code +855 and Houston uses +1.
