Ottawa to Singapore Time Difference
Singapore is 12 hours ahead of Ottawa. When it is noon in Ottawa, it is 00:00 in Singapore.
Toronto (UTC-4) → Singapore (UTC+8)
🕐 Interactive Time Explorer
When it's 08:00 in Ottawa, it's 20:00 in Singapore
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Ottawa & Singapore◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
14,814 km
Est. Flight Time
~18.4h
Time Difference
+12h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Ottawa
18:00
Singapore
09:00
Ottawa
21:00
Singapore
12:00
Ottawa
00:00
Singapore (+1)
15:00
Ottawa
03:00
Singapore (+1)
18:00
Ottawa
06:00
Singapore (+1)
21:00
Ottawa
09:00
Singapore (+1)
00:00
Ottawa
12:00
Singapore
03:00
Ottawa
15:00
Singapore
Frequently Asked Questions
How many hours is Ottawa behind Singapore?
Singapore is 12 hours ahead of Ottawa. When it is 12:00 noon in Ottawa, it is 00:00 in Singapore. Ottawa operates on America/Toronto (UTC-4), while Singapore uses Asia/Singapore (UTC+8).
What is the best time to call Singapore from Ottawa?
Standard business hours (9 AM–5 PM) do not overlap between Ottawa and Singapore due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Ottawa to Singapore 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 Singapore
The distance between Ottawa and Singapore is approximately 14,814 km. A direct flight typically takes around 18.4 hours. Your arrival clock will show local Singapore time — use our Flight Time Calculator to predict exact arrival times.