Singapore to Ottawa Time Difference
Ottawa is 12 hours behind Singapore. When it is noon in Singapore, it is 00:00 in Ottawa.
Singapore (UTC+8) → Toronto (UTC-4)
🕐 Interactive Time Explorer
When it's 23:00 in Singapore, it's 11:00 in Ottawa
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Ottawa◐ 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
Singapore
18:00
Ottawa (-1)
09:00
Singapore
21:00
Ottawa (-1)
12:00
Singapore
00:00
Ottawa
15:00
Singapore
03:00
Ottawa
18:00
Singapore
06:00
Ottawa
21:00
Singapore
09:00
Ottawa
00:00
Singapore
12:00
Ottawa (-1)
03:00
Singapore
15:00
Ottawa (-1)
Frequently Asked Questions
How many hours is Singapore ahead of Ottawa?
Ottawa is 12 hours behind Singapore. When it is 12:00 noon in Singapore, it is 00:00 in Ottawa. Singapore operates on Asia/Singapore (UTC+8), while Ottawa uses America/Toronto (UTC-4).
What is the best time to call Ottawa from Singapore?
Standard business hours (9 AM–5 PM) do not overlap between Singapore and Ottawa due to the 12 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Singapore to Ottawa 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 Singapore and Ottawa
The distance between Singapore and Ottawa is approximately 14,814 km. A direct flight typically takes around 18.4 hours. Your arrival clock will show local Ottawa time — use our Flight Time Calculator to predict exact arrival times.