United States
Cambodia
San Francisco to Phnom Penh Time Difference
Phnom Penh is 14 hours ahead of San Francisco
San Francisco vs Phnom Penh — At a Glance
San Francisco to Phnom Penh — Hour-by-Hour
About San Francisco and Phnom Penh
San Francisco (population: 0.87M) is known for Silicon Valley, the Golden Gate Bridge, venture capital, and the global tech industry. 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 San Francisco.
Calling Between Cities
With 14 hours between San Francisco (+1) and Phnom Penh (+855), finding a mutually convenient calling time is tricky. Consider scheduling calls in advance rather than calling spontaneously.
Currency
San Francisco uses USD while Phnom Penh uses KHR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
San Francisco and Phnom Penh share English as a common language, which simplifies business communication.
Use our world clock tool to compare San Francisco and Phnom Penh visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between San Francisco and Phnom Penh?
Phnom Penh, Cambodia is 14 hours ahead of San Francisco, United States. San Francisco is in the America/Los Angeles timezone (UTC-7) and Phnom Penh is in the Asia/Bangkok timezone (UTC+7).
When it's noon in San Francisco, what time is it in Phnom Penh?
When it's 12:00 PM (noon) in San Francisco, it's 2:00 AM in Phnom Penh.
What is the best time to call Phnom Penh from San Francisco?
The best time to call Phnom Penh from San Francisco is during the overlapping business hours. When it's 9 AM in San Francisco, it's 11:00 PM in Phnom Penh. Aim for late morning to early afternoon in San Francisco for the best chance of reaching someone during working hours.
What currency does Phnom Penh use?
Phnom Penh, Cambodia uses KHR. San Francisco uses USD. 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. San Francisco also speaks English, making communication easier.
How do I dial Phnom Penh from San Francisco?
To call Phnom Penh from San Francisco, dial your international access code followed by +855 and the local number. San Francisco uses country code +1 and Phnom Penh uses +855.