Tehran to Singapore Time Difference

4.5 hours ahead
Tehran, Iran
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Asia/TehranGMT+03:30
Singapore, Singapore
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Asia/SingaporeGMT+08:00

4.5h

Time Difference

4h

Business Hours Overlap

Yes

Good Call Window

Best Times to Call

These times work well for both cities during business hours (9 AM - 5 PM):

9:00 AM in Tehran

1:30 PM in Singapore

10:00 AM in Tehran

2:30 PM in Singapore

11:00 AM in Tehran

3:30 PM in Singapore

12:00 PM in Tehran

4:30 PM in Singapore

Hour-by-Hour Time Conversion
TehranSingaporeStatus
12:00 AM4:30 AM
1:00 AM5:30 AM
2:00 AM6:30 AM
3:00 AM7:30 AM
4:00 AM8:30 AM
5:00 AM9:30 AMWork in Singapore
6:00 AM10:30 AMWork in Singapore
7:00 AM11:30 AMWork in Singapore
8:00 AM12:30 PMWork in Singapore
9:00 AM1:30 PMWork Hours
10:00 AM2:30 PMWork Hours
11:00 AM3:30 PMWork Hours
12:00 PM4:30 PMWork Hours
1:00 PM5:30 PMWork in Tehran
2:00 PM6:30 PMWork in Tehran
3:00 PM7:30 PMWork in Tehran
4:00 PM8:30 PMWork in Tehran
5:00 PM9:30 PM
6:00 PM10:30 PM
7:00 PM11:30 PM
8:00 PM12:30 AM
9:00 PM1:30 AM
10:00 PM2:30 AM
11:00 PM3:30 AM

More Time Comparisons

Tehran to Shanghai

4.5 hours ahead

Tehran to Dhaka

2.5 hours ahead

Tehran to Beijing

4.5 hours ahead

Tehran to Delhi

2 hours ahead

Tehran to Istanbul

0.5 hours behind

Tehran to Lagos

2.5 hours behind

Tehran to Tokyo

5.5 hours ahead

Tehran to Moscow

0.5 hours behind

About the Time Difference Between Tehran and Singapore

The time difference between Tehran, Iran and Singapore, Singapore is 4.5 hours ahead.Tehran operates on the Asia/Tehran timezone (GMT+03:30), while Singapore uses Asia/Singapore (GMT+08:00).

Scheduling Tips

  • Business hours overlap: There are 4 hours when both cities are within typical work hours (9 AM - 5 PM).
  • Best call times: Schedule calls during the green-highlighted hours in the conversion table above for optimal timing.
  • Daylight Saving Time: Remember that the time difference may change during DST transitions. Always verify current times before important meetings.

Frequently Asked Questions

When it's noon in Tehran, what time is it in Singapore?

When it's 12:00 PM (noon) in Tehran, it's 5:00 PM in Singapore.