IRT to IST Converter – Iran Standard Time to Indian Standard Time
Iran Standard Time · Tehran, Isfahan, Shiraz, Mashhad
Also convert in the other direction: IST to IRT →
Live Clock
IRT to IST Conversion Table
Common IRT times converted to Indian Standard Time (IST)
| Iran — IRT | India — IST | Day |
|---|---|---|
| 12:00 AM (midnight) IRT | 2:00 AM IST | same day |
| 6:00 AM IRT | 8:00 AM IST | same day |
| 9:00 AM IRT | 11:00 AM IST | same day |
| 12:00 PM IRT | 2:00 PM IST | same day |
| 3:00 PM IRT | 5:00 PM IST | same day |
| 6:00 PM IRT | 8:00 PM IST | same day |
| 9:00 PM IRT | 11:00 PM IST | same day |
| 11:30 PM IRT | 1:30 AM IST | next day |
India Work Hours in IRT — Meeting Planner
When India is working (9 AM – 9 PM IST), what time is it in Iran?
| India — IST | Iran — IRT | Day |
|---|---|---|
| 9:00 AM IST | 7:00 AM IRT | same day |
| 12:00 PM IST | 10:00 AM IRT | same day |
| 3:00 PM IST | 1:00 PM IRT | same day |
| 6:00 PM IST | 4:00 PM IRT | same day |
| 9:00 PM IST | 7:00 PM IRT | same day |
About Iran Standard Time and IST Time Difference
Indian Standard Time (IST) is UTC+5:30. Iran Standard Time (IRT) is UTC+03:30. The offset between IRT and IST is IST −2 hrs.
India does not observe Daylight Saving Time — IST stays at UTC+5:30 year-round. If Iran observes DST, the actual offset between IRT and IST will shift by 1 hour during the DST period (typically spring–autumn in the Northern Hemisphere, autumn–spring in the Southern Hemisphere).
Major cities in Iran Standard Time
Tehran, Isfahan, Shiraz, Mashhad.
Frequently Asked Questions
What is the time difference between IRT and IST?
IST (Indian Standard Time) is UTC+5:30. Iran Standard Time is UTC+03:30. The difference is IST −2 hrs. For example, 12:00 PM IRT = 2:00 PM IST.
Does India observe Daylight Saving Time?
No. India does not observe DST. IST stays at UTC+5:30 all year. The offset between IRT and IST may change if your timezone observes DST — typically shifting by 1 hour in spring and autumn.
How do I convert IRT to IST?
To convert IRT to IST: add 2 hours to the IRT time. Use the conversion table above or the live clock for instant DST-aware results.