Time in IOT and IRST
The time difference between Indian Ocean Time (IOT) and Iran Standard Time (IRST) is 30 minutes. Iran Standard Time is 30 minutes ahead of Indian Ocean Time.
This means 9am IOT is 9:30am IRST and 5pm IOT is 5:30pm IRST.
Indian Ocean Time
- The current local time in IOT is 11:29 am (September 2, 2026)
- IOT time zone offset is UTC+03:00
Iran Standard Time
- The current local time in IRST is 11:59 am (September 2, 2026)
- IRST time zone offset is UTC+03:30
How to convert Indian Ocean Time to Iran Standard Time?
Add 30 minutes to Indian Ocean Time to get Iran Standard Time.
Time in IOT
00:00
Time in IRST
00:00
Use the slider above to convert Indian Ocean Time to Iran Standard Time and view the day and night map at different times.
Day–night colors on the map:
Day
Civil twilight
Nautical twilight
Astronomical twilight
NightTime Conversion Chart
| IOT | IRST |
|---|---|
| 12am | 0:30am |
| 1am | 1:30am |
| 2am | 2:30am |
| 3am | 3:30am |
| 4am | 4:30am |
| 5am | 5:30am |
| 6am | 6:30am |
| 7am | 7:30am |
| 8am | 8:30am |
| 9am | 9:30am |
| 10am | 10:30am |
| 11am | 11:30am |
| 12pm | 12:30pm |
| 1pm | 1:30pm |
| 2pm | 2:30pm |
| 3pm | 3:30pm |
| 4pm | 4:30pm |
| 5pm | 5:30pm |
| 6pm | 6:30pm |
| 7pm | 7:30pm |
| 8pm | 8:30pm |
| 9pm | 9:30pm |
| 10pm | 10:30pm |
| 11pm | 11:30pm |