Time in IRST and IOT
The time difference between Iran Standard Time (IRST) and Indian Ocean Time (IOT) is 30 minutes. Indian Ocean Time is 30 minutes behind Iran Standard Time.
This means 9am IRST is 8:30am IOT and 5pm IRST is 4:30pm IOT.
Iran Standard Time
- The current local time in IRST is 2:13 am (July 19, 2026)
- IRST time zone offset is UTC+03:30
Indian Ocean Time
- The current local time in IOT is 1:43 am (July 19, 2026)
- IOT time zone offset is UTC+03:00
How to convert Iran Standard Time to Indian Ocean Time?
Subtract 30 minutes from Iran Standard Time to get Indian Ocean Time.
Time in IRST
00:00
Time in IOT
00:00
Use the slider above to convert Iran Standard Time to Indian Ocean 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
| IRST | IOT |
|---|---|
| 12am | 11:30pm |
| 1am | 0:30am |
| 2am | 1:30am |
| 3am | 2:30am |
| 4am | 3:30am |
| 5am | 4:30am |
| 6am | 5:30am |
| 7am | 6:30am |
| 8am | 7:30am |
| 9am | 8:30am |
| 10am | 9:30am |
| 11am | 10:30am |
| 12pm | 11:30am |
| 1pm | 12:30pm |
| 2pm | 1:30pm |
| 3pm | 2:30pm |
| 4pm | 3:30pm |
| 5pm | 4:30pm |
| 6pm | 5:30pm |
| 7pm | 6:30pm |
| 8pm | 7:30pm |
| 9pm | 8:30pm |
| 10pm | 9:30pm |
| 11pm | 10:30pm |