Singapore to San Antonio Time Difference
San Antonio is 13 hours behind Singapore. When it is noon in Singapore, it is 23:00 in San Antonio.
Singapore (UTC+8) → Chicago (UTC-5)
🕐 Interactive Time Explorer
When it's 03:00 in Singapore, it's 14:00 in San Antonio
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & San Antonio◐ Extended Hours (2 hours)
✈️ Travel Information
Distance
15,852 km
Est. Flight Time
~19.6h
Time Difference
-13h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Singapore
17:00
San Antonio (-1)
09:00
Singapore
20:00
San Antonio (-1)
12:00
Singapore
23:00
San Antonio (-1)
15:00
Singapore
02:00
San Antonio
18:00
Singapore
05:00
San Antonio
21:00
Singapore
08:00
San Antonio
00:00
Singapore
11:00
San Antonio (-1)
03:00
Singapore
14:00
San Antonio (-1)
Frequently Asked Questions
How many hours is Singapore ahead of San Antonio?
San Antonio is 13 hours behind Singapore. When it is 12:00 noon in Singapore, it is 23:00 in San Antonio. Singapore operates on Asia/Singapore (UTC+8), while San Antonio uses America/Chicago (UTC-5).
What is the best time to call San Antonio from Singapore?
Standard business hours (9 AM–5 PM) do not overlap between Singapore and San Antonio due to the 13 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Singapore to San Antonio 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 San Antonio
The distance between Singapore and San Antonio is approximately 15,852 km. A direct flight typically takes around 19.6 hours. Your arrival clock will show local San Antonio time — use our Flight Time Calculator to predict exact arrival times.