Hong Kong SAR
Cambodia
Hong Kong to Phnom Penh Time Difference
Phnom Penh is 1 hour behind Hong Kong
Hong Kong vs Phnom Penh — At a Glance
Hong Kong to Phnom Penh — Hour-by-Hour
About Hong Kong and Phnom Penh
Hong Kong (population: 7.4M) is known for one of the world's top financial centers, Victoria Harbour, and dim sum culture. 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 Hong Kong.
Calling Between Cities
Calling between Hong Kong (+852) and Phnom Penh (+855) is convenient — the time difference is small enough that you're unlikely to disturb anyone during normal waking hours.
Currency
Hong Kong uses HKD while Phnom Penh uses KHR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Hong Kong and Phnom Penh share English as a common language, which simplifies business communication.
Use our world clock tool to compare Hong Kong and Phnom Penh visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Hong Kong and Phnom Penh?
Phnom Penh, Cambodia is 1 hour behind Hong Kong, Hong Kong SAR. Hong Kong is in the Asia/Hong Kong timezone (UTC+8) and Phnom Penh is in the Asia/Bangkok timezone (UTC+7).
When it's noon in Hong Kong, what time is it in Phnom Penh?
When it's 12:00 PM (noon) in Hong Kong, it's 11:00 AM in Phnom Penh.
What is the best time to call Phnom Penh from Hong Kong?
With only a 1-hour difference, you can comfortably call Phnom Penh anytime during standard business hours (9 AM–6 PM Hong Kong time).
What currency does Phnom Penh use?
Phnom Penh, Cambodia uses KHR. Hong Kong uses HKD. 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. Hong Kong also speaks English, making communication easier.
How do I dial Phnom Penh from Hong Kong?
To call Phnom Penh from Hong Kong, dial your international access code followed by +855 and the local number. Hong Kong uses country code +852 and Phnom Penh uses +855.
