Singapore to Seattle Time Difference
Seattle is 15 hours behind Singapore. When it is noon in Singapore, it is 21:00 in Seattle.
Singapore (UTC+8) → Los Angeles (UTC-7)
🕐 Interactive Time Explorer
When it's 05:00 in Singapore, it's 14:00 in Seattle
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Seattle◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
12,978 km
Est. Flight Time
~16.3h
Time Difference
-15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Singapore
15:00
Seattle (-1)
09:00
Singapore
18:00
Seattle (-1)
12:00
Singapore
21:00
Seattle (-1)
15:00
Singapore
00:00
Seattle
18:00
Singapore
03:00
Seattle
21:00
Singapore
06:00
Seattle
00:00
Singapore
09:00
Seattle (-1)
03:00
Singapore
12:00
Seattle (-1)
Frequently Asked Questions
How many hours is Singapore ahead of Seattle?
Seattle is 15 hours behind Singapore. When it is 12:00 noon in Singapore, it is 21:00 in Seattle. Singapore operates on Asia/Singapore (UTC+8), while Seattle uses America/Los Angeles (UTC-7).
What is the best time to call Seattle from Singapore?
Standard business hours (9 AM–5 PM) do not overlap between Singapore and Seattle due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Singapore to Seattle 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 Seattle
The distance between Singapore and Seattle is approximately 12,978 km. A direct flight typically takes around 16.3 hours. Your arrival clock will show local Seattle time — use our Flight Time Calculator to predict exact arrival times.