Cambodia
United States
Phnom Penh to San Francisco Time Difference
San Francisco is 14 hours behind Phnom Penh
Phnom Penh vs San Francisco — At a Glance
Phnom Penh to San Francisco — Hour-by-Hour
About Phnom Penh and San Francisco
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. San Francisco (population: 0.87M) is known for Silicon Valley, the Golden Gate Bridge, venture capital, and the global tech industry.
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 San Francisco.
Calling Between Cities
With 14 hours between Phnom Penh (+855) and San Francisco (+1), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
Phnom Penh uses KHR while San Francisco uses USD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and San Francisco share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and San Francisco visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and San Francisco?
San Francisco, United States is 14 hours behind Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and San Francisco is in the America/Los Angeles timezone (UTC-7).
When it's noon in Phnom Penh, what time is it in San Francisco?
When it's 12:00 PM (noon) in Phnom Penh, it's 10:00 PM in San Francisco.
What is the best time to call San Francisco from Phnom Penh?
The best time to call San Francisco from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 7:00 PM in San Francisco. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does San Francisco use?
San Francisco, 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 San Francisco?
The primary language in San Francisco is English. Phnom Penh also speaks English, making communication easier.
How do I dial San Francisco from Phnom Penh?
To call San Francisco from Phnom Penh, dial your international access code followed by +1 and the local number. Phnom Penh uses country code +855 and San Francisco uses +1.