Time in IOT and HST
The time difference between Indian Ocean Time (IOT) and Hawaii–Aleutian Standard Time (HST) is 13 hours. Hawaii–Aleutian Standard Time is 13 hours behind Indian Ocean Time.
This means 9am IOT is 8pm HST (previous day) and 5pm IOT is 4am HST.
Indian Ocean Time
- The current local time in IOT is 10:39 am (September 2, 2026)
- IOT time zone offset is UTC+03:00
Hawaii–Aleutian Standard Time
- The current local time in HST is 5:39 pm (September 2, 2026)
- HST time zone offset is UTC-10:00
How to convert Indian Ocean Time to Hawaii–Aleutian Standard Time?
Subtract 13 hours from Indian Ocean Time to get Hawaii–Aleutian Standard Time.
Time in IOT
00:00
Time in HST
00:00
Use the slider above to convert Indian Ocean Time to Hawaii–Aleutian 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 | HST |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |