Singapore to Isfahan Time Difference
Isfahan is 4 hours 30 min behind Singapore. When it is noon in Singapore, it is 7.5:00 in Isfahan.
Singapore (UTC+8) → Tehran (UTC+3:30)
🕐 Interactive Time Explorer
When it's 05:00 in Singapore, it's 0.5:00 in Isfahan
Drag the slider to see corresponding times in both cities
🤝 Best Meeting Times
Singapore & Isfahan✓ Perfect Match (3 hours)
◐ Extended Hours (7 hours)
✈️ Travel Information
Distance
6,454 km
Est. Flight Time
~8.6h
Time Difference
-4.5h
Work Hours Overlap
3h
Limited
🔴 Office Closed
Today 14:00
14:00 - 17:00
⏰ Quick Conversion
06:00
Singapore
1.5:00
Isfahan
09:00
Singapore
4.5:00
Isfahan
12:00
Singapore
7.5:00
Isfahan
15:00
Singapore
10.5:00
Isfahan
18:00
Singapore
13.5:00
Isfahan
21:00
Singapore
16.5:00
Isfahan
00:00
Singapore
19.5:00
Isfahan (-1)
03:00
Singapore
22.5:00
Isfahan (-1)
Frequently Asked Questions
How many hours is Singapore ahead of Isfahan?
Isfahan is 4 hours 30 min behind Singapore. When it is 12:00 noon in Singapore, it is 7.5:00 in Isfahan. Singapore operates on Asia/Singapore (UTC+8), while Isfahan uses Asia/Tehran (UTC+3.5).
What is the best time to call Isfahan from Singapore?
There are 4 hours of overlapping business time (9 AM–5 PM) between Singapore and Isfahan. The best window is 14:00–18:00 Singapore time (9.5:00–13.5:00 in Isfahan).
Does the Singapore to Isfahan 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 Isfahan
The distance between Singapore and Isfahan is approximately 6,454 km. A direct flight typically takes around 8.6 hours. Your arrival clock will show local Isfahan time — use our Flight Time Calculator to predict exact arrival times.