Time in IOT and AST
The time difference between Indian Ocean Time (IOT) and Atlantic Standard Time (AST) is 7 hours. Atlantic Standard Time is 7 hours behind Indian Ocean Time.
This means 9am IOT is 2am AST and 5pm IOT is 10am AST.
Indian Ocean Time
- The current local time in IOT is 3:26 pm (July 18, 2026)
- IOT time zone offset is UTC+03:00
Atlantic Standard Time
- The current local time in AST is 4:26 pm (July 18, 2026)
- AST time zone offset is UTC-04:00
How to convert Indian Ocean Time to Atlantic Standard Time?
Subtract 7 hours from Indian Ocean Time to get Atlantic Standard Time.
Time in IOT
00:00
Time in AST
00:00
Use the slider above to convert Indian Ocean Time to Atlantic 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 | AST |
|---|---|
| 12am | 5pm |
| 1am | 6pm |
| 2am | 7pm |
| 3am | 8pm |
| 4am | 9pm |
| 5am | 10pm |
| 6am | 11pm |
| 7am | 12am |
| 8am | 1am |
| 9am | 2am |
| 10am | 3am |
| 11am | 4am |
| 12pm | 5am |
| 1pm | 6am |
| 2pm | 7am |
| 3pm | 8am |
| 4pm | 9am |
| 5pm | 10am |
| 6pm | 11am |
| 7pm | 12pm |
| 8pm | 1pm |
| 9pm | 2pm |
| 10pm | 3pm |
| 11pm | 4pm |