Australia
Cambodia
Sydney to Phnom Penh Time Difference
Phnom Penh is 4 hours behind Sydney
Sydney vs Phnom Penh — At a Glance
Sydney to Phnom Penh — Hour-by-Hour
About Sydney and Phnom Penh
Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing 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 Sydney.
Calling Between Cities
To call Phnom Penh (+855) from Sydney (+61), aim for late morning or early afternoon in Sydney — that corresponds to morning hours in Phnom Penh when people are usually available.
Currency
Sydney uses AUD while Phnom Penh uses KHR. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Sydney and Phnom Penh share English as a common language, which simplifies business communication.
Use our world clock tool to compare Sydney and Phnom Penh visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Sydney and Phnom Penh?
Phnom Penh, Cambodia is 4 hours behind Sydney, Australia. Sydney is in the Australia/Sydney timezone (UTC+11) and Phnom Penh is in the Asia/Bangkok timezone (UTC+7).
When it's noon in Sydney, what time is it in Phnom Penh?
When it's 12:00 PM (noon) in Sydney, it's 8:00 AM in Phnom Penh.
What is the best time to call Phnom Penh from Sydney?
The best time to call Phnom Penh from Sydney is during the overlapping business hours. When it's 9 AM in Sydney, it's 5:00 AM in Phnom Penh. Aim for late morning to early afternoon in Sydney for the best chance of reaching someone during working hours.
What currency does Phnom Penh use?
Phnom Penh, Cambodia uses KHR. Sydney uses AUD. 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. Sydney also speaks English, making communication easier.
How do I dial Phnom Penh from Sydney?
To call Phnom Penh from Sydney, dial your international access code followed by +855 and the local number. Sydney uses country code +61 and Phnom Penh uses +855.
