Shanghai to Phnom Penh Time Difference
Phnom Penh is 1 hour behind Shanghai. When it is noon in Shanghai, it is 11:00 in Phnom Penh.
Shanghai (UTC+8) → Phnom Penh (UTC+7)
🕐 Interactive Time Explorer
When it's 18:00 in Shanghai, it's 17:00 in Phnom Penh
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Shanghai & Phnom Penh✓ Perfect Match (7 hours)
◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
2,770 km
Est. Flight Time
~4.3h
Time Difference
-1h
Work Hours Overlap
7h
Excellent
🔴 Office Closed
Today 10:00
10:00 - 17:00
⏰ Quick Conversion
06:00
Shanghai
05:00
Phnom Penh
09:00
Shanghai
08:00
Phnom Penh
12:00
Shanghai
11:00
Phnom Penh
15:00
Shanghai
14:00
Phnom Penh
18:00
Shanghai
17:00
Phnom Penh
21:00
Shanghai
20:00
Phnom Penh
00:00
Shanghai
23:00
Phnom Penh (-1)
03:00
Shanghai
02:00
Phnom Penh
Frequently Asked Questions
How many hours is Shanghai ahead of Phnom Penh?
Phnom Penh is 1 hour behind Shanghai. When it is 12:00 noon in Shanghai, it is 11:00 in Phnom Penh. Shanghai operates on Asia/Shanghai (UTC+8), while Phnom Penh uses Asia/Phnom Penh (UTC+7).
What is the best time to call Phnom Penh from Shanghai?
There are 8 hours of overlapping business time (9 AM–5 PM) between Shanghai and Phnom Penh. The best window is 10:00–18:00 Shanghai time (09:00–17:00 in Phnom Penh).
Does the Shanghai 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 Shanghai and Phnom Penh
The distance between Shanghai and Phnom Penh is approximately 2,770 km. A direct flight typically takes around 4.3 hours. Your arrival clock will show local Phnom Penh time — use our Flight Time Calculator to predict exact arrival times.