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