Tehran to Singapore Time Difference
🇮🇷 Tehran is currently 4.5 hours ahead of 🇸🇬 Singapore.
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Atin 🇮🇷 Tehran→it will be—in 🇸🇬 Singapore
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Difference
+4.5h
Business overlap
4h
Distance
6,606 km
Approx. flight
7.8h
Hour-by-Hour: Tehran to Singapore
| 🇮🇷 Tehran | 🇸🇬 Singapore | Note |
|---|---|---|
| 12:00 AM | 4:30 AM | |
| 1:00 AM | 5:30 AM | |
| 2:00 AM | 6:30 AM | |
| 3:00 AM | 7:30 AM | |
| 4:00 AM | 8:30 AM | |
| 5:00 AM | 9:30 AM | |
| 6:00 AM | 10:30 AM | |
| 7:00 AM | 11:30 AM | |
| 8:00 AM | 12:30 PM | |
| 9:00 AM | 1:30 PM | |
| 10:00 AM | 2:30 PM | |
| 11:00 AM | 3:30 PM | |
| 12:00 PM | 4:30 PM | |
| 1:00 PM | 5:30 PM | |
| 2:00 PM | 6:30 PM | |
| 3:00 PM | 7:30 PM | |
| 4:00 PM | 8:30 PM | |
| 5:00 PM | 9:30 PM | |
| 6:00 PM | 10:30 PM | |
| 7:00 PM | 11:30 PM | |
| 8:00 PM | 12:30 AM(next day) | Next day |
| 9:00 PM | 1:30 AM(next day) | Next day |
| 10:00 PM | 2:30 AM(next day) | Next day |
| 11:00 PM | 3:30 AM(next day) | Next day |
Daylight Saving Time (DST)
Neither Tehran nor Singapore observes Daylight Saving Time. The time difference is always 4.5 hours ahead.
Best Meeting Times
There are 4 overlapping business hours between Tehran and Singapore (9 AM – 6 PM in each city).
🇮🇷 Tehran
9:00 AM – 1:00 PM
🇸🇬 Singapore
1:30 PM – 5:30 PM
Frequently Asked Questions
What is the time difference between Tehran and Singapore?
The time difference between Tehran and Singapore is currently 4.5 hours ahead. Tehran uses GMT+3:30 (UTC+3:30), while Singapore uses GMT+8 (UTC+8).
When it's noon in Tehran, what time is it in Singapore?
When it's 12:00 PM (noon) in Tehran, it is 4:30 PM in Singapore. Use our calculator above to convert any other time.
Does the time difference between Tehran and Singapore change?
No. The time difference between Tehran and Singapore is always 4.5 hours ahead — neither city observes Daylight Saving Time, so the offset never changes.
What are the best times to schedule a call between Tehran and Singapore?
The best time to call is between 9:00 AM and 1:00 PM in Tehran (which is 1:30 PM – 5:30 PM in Singapore). This 4-hour window falls within business hours in both cities.
Is Tehran ahead or behind Singapore?
Tehran is currently 4.5 hours behind Singapore.
What time zone is Tehran in?
Tehran is in the Asia/Tehran time zone, currently using GMT+3:30 (UTC+3:30). Tehran does not observe Daylight Saving Time.
What time is midnight in Tehran in Singapore?
When it is midnight (12:00 AM) in Tehran, it is 4:30 AM in Singapore.