Singapore to Tucson Time Difference
Tucson is 15 hours behind Singapore. When it is noon in Singapore, it is 21:00 in Tucson.
Singapore (UTC+8) → Phoenix (UTC-7)
🕐 Interactive Time Explorer
When it's 12:00 in Singapore, it's 21:00 in Tucson
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Tucson◐ Extended Hours (5 hours)
✈️ Travel Information
Distance
14,792 km
Est. Flight Time
~18.4h
Time Difference
-15h
Work Hours Overlap
0h
None
🔴 Office Closed
No overlap available
No overlap
⏰ Quick Conversion
06:00
Singapore
15:00
Tucson (-1)
09:00
Singapore
18:00
Tucson (-1)
12:00
Singapore
21:00
Tucson (-1)
15:00
Singapore
00:00
Tucson
18:00
Singapore
03:00
Tucson
21:00
Singapore
06:00
Tucson
00:00
Singapore
09:00
Tucson (-1)
03:00
Singapore
12:00
Tucson (-1)
Frequently Asked Questions
How many hours is Singapore ahead of Tucson?
Tucson is 15 hours behind Singapore. When it is 12:00 noon in Singapore, it is 21:00 in Tucson. Singapore operates on Asia/Singapore (UTC+8), while Tucson uses America/Phoenix (UTC-7).
What is the best time to call Tucson from Singapore?
Standard business hours (9 AM–5 PM) do not overlap between Singapore and Tucson due to the 15 hours difference. Consider early morning or late evening calls, or use async communication.
Does the Singapore to Tucson 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 Tucson
The distance between Singapore and Tucson is approximately 14,792 km. A direct flight typically takes around 18.4 hours. Your arrival clock will show local Tucson time — use our Flight Time Calculator to predict exact arrival times.