Sydney to Phnom Penh Time Difference
Phnom Penh is 3 hours behind Sydney. When it is noon in Sydney, it is 09:00 in Phnom Penh.
Sydney (UTC+10) → Phnom Penh (UTC+7)
🕐 Interactive Time Explorer
When it's 20:00 in Sydney, it's 17:00 in Phnom Penh
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Sydney & Phnom Penh✓ Perfect Match (5 hours)
◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
7,031 km
Est. Flight Time
~9.3h
Time Difference
-3h
Work Hours Overlap
5h
Good
🔴 Office Closed
Today 12:00
12:00 - 17:00
⏰ Quick Conversion
06:00
Sydney
03:00
Phnom Penh
09:00
Sydney
06:00
Phnom Penh
12:00
Sydney
09:00
Phnom Penh
15:00
Sydney
12:00
Phnom Penh
18:00
Sydney
15:00
Phnom Penh
21:00
Sydney
18:00
Phnom Penh
00:00
Sydney
21:00
Phnom Penh (-1)
03:00
Sydney
00:00
Phnom Penh
Frequently Asked Questions
How many hours is Sydney ahead of Phnom Penh?
Phnom Penh is 3 hours behind Sydney. When it is 12:00 noon in Sydney, it is 09:00 in Phnom Penh. Sydney operates on Australia/Sydney (UTC+10), while Phnom Penh uses Asia/Phnom Penh (UTC+7).
What is the best time to call Phnom Penh from Sydney?
There are 6 hours of overlapping business time (9 AM–5 PM) between Sydney and Phnom Penh. The best window is 12:00–18:00 Sydney time (09:00–15:00 in Phnom Penh).
Does the Sydney to Phnom Penh time difference change throughout the year?
The time difference can shift by up to one hour when either city observes Daylight Saving Time (DST). DST transition dates differ between countries — typically March/April in the Northern Hemisphere and October in the Southern Hemisphere. Always verify the live difference above when scheduling important meetings near DST changeover dates.
Flying between Sydney and Phnom Penh
The distance between Sydney and Phnom Penh is approximately 7,031 km. A direct flight typically takes around 9.3 hours. Your arrival clock will show local Phnom Penh time — use our Flight Time Calculator to predict exact arrival times.