Ottawa to Shanghai Time Difference
Shanghai is 12 hours ahead of Ottawa. When it is noon in Ottawa, it is 00:00 in Shanghai.
Toronto (UTC-4) → Shanghai (UTC+8)
🕐 Interactive Time Explorer
When it's 12:00 in Ottawa, it's 00:00 in Shanghai
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ottawa & Shanghai◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
11,317 km
Est. Flight Time
~14.3h
Time Difference
+12h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ottawa
18:00
Shanghai
09:00
Ottawa
21:00
Shanghai
12:00
Ottawa
00:00
Shanghai (+1)
15:00
Ottawa
03:00
Shanghai (+1)
18:00
Ottawa
06:00
Shanghai (+1)
21:00
Ottawa
09:00
Shanghai (+1)
00:00
Ottawa
12:00
Shanghai
03:00
Ottawa
15:00
Shanghai
Frequently Asked Questions
How many hours is Ottawa behind Shanghai?
Shanghai is 12 hours ahead of Ottawa. When it is 12:00 noon in Ottawa, it is 00:00 in Shanghai. Ottawa operates on America/Toronto (UTC-4), while Shanghai uses Asia/Shanghai (UTC+8).
What is the best time to call Shanghai from Ottawa?
Standard business hours (9 AM–5 PM) do not overlap between Ottawa and Shanghai due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ottawa to Shanghai 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 Ottawa and Shanghai
The distance between Ottawa and Shanghai is approximately 11,317 km. A direct flight typically takes around 14.3 hours. Your arrival clock will show local Shanghai time — use our Flight Time Calculator to predict exact arrival times.