Tehran Time to SGT Converter
SGT is 4 hours 30 minutes ahead of IRST. 9:00 AM IRST = 1:30 PM SGT.
SGT is 4 hours 30 minutes ahead of IRST. To convert Tehran Time to SGT, add 4 hours 30 minutes to the Tehran Time time: 9:00 AM IRST = 1:30 PM SGT.
Tehran Time (Tehran time) is used in Tehran, Iran. SGT (Singapore Time) is used in Singapore.
Tehran Time to SGT time conversion table
Tehran Time to SGT on 7 Nov 2026. Today's date. Highlighted rows are 9 AM–5 PM in both places.
| Tehran Time | SGT | Day |
|---|---|---|
| 12:00 AM IRST | 4:30 AM SGT | night |
| 1:00 AM IRST | 5:30 AM SGT | night |
| 2:00 AM IRST | 6:30 AM SGT | — |
| 3:00 AM IRST | 7:30 AM SGT | — |
| 4:00 AM IRST | 8:30 AM SGT | — |
| 5:00 AM IRST | 9:30 AM SGT | — |
| 6:00 AM IRST | 10:30 AM SGT | — |
| 7:00 AM IRST | 11:30 AM SGT | — |
| 8:00 AM IRST | 12:30 PM SGT | — |
| 9:00 AM IRST | 1:30 PM SGT | work hours |
| 10:00 AM IRST | 2:30 PM SGT | work hours |
| 11:00 AM IRST | 3:30 PM SGT | work hours |
| 12:00 PM IRST | 4:30 PM SGT | work hours |
| 1:00 PM IRST | 5:30 PM SGT | — |
| 2:00 PM IRST | 6:30 PM SGT | — |
| 3:00 PM IRST | 7:30 PM SGT | — |
| 4:00 PM IRST | 8:30 PM SGT | — |
| 5:00 PM IRST | 9:30 PM SGT | — |
| 6:00 PM IRST | 10:30 PM SGT | night |
| 7:00 PM IRST | 11:30 PM SGT | night |
| 8:00 PM IRST | 12:30 AM SGT | next day |
| 9:00 PM IRST | 1:30 AM SGT | next day |
| 10:00 PM IRST | 2:30 AM SGT | next day |
| 11:00 PM IRST | 3:30 AM SGT | next day |
- Work rows — 9 AM–5 PM in both places
- Night in the destination (10 PM–6 AM)
How to convert Tehran Time to SGT
Add 4 hours 30 minutes to the Tehran Time time to get SGT.
Example: 9:00 AM IRST = 1:30 PM SGT.
Across midnight: 10:00 PM IRST = 2:30 AM SGT (next day). The date changes, so always check the day as well as the hour.
Time difference between Tehran Time and SGT
The time difference between Tehran Time and SGT is 4 hours 30 minutes all year – SGT is ahead of IRST.
Tehran Time and SGT during daylight saving time
- Tehran Time does not observe daylight saving time; it stays on UTC+3:30 all year.
- SGT does not observe daylight saving time; it stays on UTC+8 all year.
Best time for a meeting between Tehran Time and SGT
Tehran Time and SGT share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:30 PM IRST lands between 1:30 PM and 5:00 PM SGT, inside working hours for both.
Tehran Time to SGT FAQ
What is the time difference between Tehran Time and SGT?
SGT is 4 hours 30 minutes ahead of IRST all year. 9:00 AM IRST = 1:30 PM SGT.
What is 9 AM Tehran Time in SGT?
9:00 AM IRST is 1:30 PM SGT.
What is 12 PM (noon) Tehran Time in SGT?
12:00 PM IRST is 4:30 PM SGT.
Is SGT ahead of or behind Tehran Time?
SGT is 4 hours 30 minutes ahead of IRST, so it is later in SGT than in Tehran Time.
Does Tehran Time change for daylight saving time?
No. Tehran Time stays on the same offset all year, so conversions never shift for daylight saving time.
Does SGT change for daylight saving time?
No. SGT stays on the same offset all year, so conversions never shift for daylight saving time.
What is the best time for a meeting between Tehran Time and SGT?
Tehran Time and SGT share 3 hours 30 minutes of the 9 AM–5 PM working day. Any time between 9:00 AM and 12:30 PM IRST lands between 1:30 PM and 5:00 PM SGT, inside working hours for both.
Related conversions
Convert SGT to Tehran Time
Convert Tehran Time to other time zones
Convert other time zones to SGT
Learn more
Updated 7 November 2026. Time zone data: IANA tz database.