Singapore to St. Louis Time Difference
St. Louis is 13 hours behind Singapore. When it is noon in Singapore, it is 23:00 in St. Louis.
Singapore (UTC+8) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 12:00 in Singapore, it's 23:00 in St. Louis
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & St. Louis◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
15,344 km
Est. Flight Time
~19.1h
Time Difference
-13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Singapore
17:00
St. Louis (-1)
09:00
Singapore
20:00
St. Louis (-1)
12:00
Singapore
23:00
St. Louis (-1)
15:00
Singapore
02:00
St. Louis
18:00
Singapore
05:00
St. Louis
21:00
Singapore
08:00
St. Louis
00:00
Singapore
11:00
St. Louis (-1)
03:00
Singapore
14:00
St. Louis (-1)
Frequently Asked Questions
How many hours is Singapore ahead of St. Louis?
St. Louis is 13 hours behind Singapore. When it is 12:00 noon in Singapore, it is 23:00 in St. Louis. Singapore operates on Asia/Singapore (UTC+8), while St. Louis uses America/Chicago (UTC-5).
What is the best time to call St. Louis from Singapore?
Standard business hours (9 AM–5 PM) do not overlap between Singapore and St. Louis due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Singapore to St. Louis 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 St. Louis
The distance between Singapore and St. Louis is approximately 15,344 km. A direct flight typically takes around 19.1 hours. Your arrival clock will show local St. Louis time — use our Flight Time Calculator to predict exact arrival times.