Cambodia
Australia
Phnom Penh to Sydney Time Difference
Sydney is 4 hours ahead of Phnom Penh
Phnom Penh vs Sydney — At a Glance
Phnom Penh to Sydney — Hour-by-Hour
About Phnom Penh and Sydney
Phnom Penh (population: 2.1M) is known for the Royal Palace, Mekong River, and Cambodia's emerging digital economy. Sydney (population: 5.3M) is known for the Opera House, Harbour Bridge, Australia's financial center, and surfing culture.
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 Sydney (+61) from Phnom Penh (+855), aim for late morning or early afternoon in Phnom Penh — that corresponds to evening hours in Sydney when people are usually available.
Currency
Phnom Penh uses KHR while Sydney uses AUD. Check current exchange rates before making payments or transferring funds between the two cities.
Language
Phnom Penh and Sydney share English as a common language, which simplifies business communication.
Use our world clock tool to compare Phnom Penh and Sydney visually, or browse more timezone conversions.
Frequently Asked Questions
What is the time difference between Phnom Penh and Sydney?
Sydney, Australia is 4 hours ahead of Phnom Penh, Cambodia. Phnom Penh is in the Asia/Bangkok timezone (UTC+7) and Sydney is in the Australia/Sydney timezone (UTC+11).
When it's noon in Phnom Penh, what time is it in Sydney?
When it's 12:00 PM (noon) in Phnom Penh, it's 4:00 PM in Sydney.
What is the best time to call Sydney from Phnom Penh?
The best time to call Sydney from Phnom Penh is during the overlapping business hours. When it's 9 AM in Phnom Penh, it's 1:00 PM in Sydney. Aim for late morning to early afternoon in Phnom Penh for the best chance of reaching someone during working hours.
What currency does Sydney use?
Sydney, Australia uses AUD. Phnom Penh uses KHR. You will need to check the current exchange rate for transactions between the two.
What language is spoken in Sydney?
The primary language in Sydney is English. Phnom Penh also speaks English, making communication easier.
How do I dial Sydney from Phnom Penh?
To call Sydney from Phnom Penh, dial your international access code followed by +61 and the local number. Phnom Penh uses country code +855 and Sydney uses +61.
