Time in BIOT and TOT
The time difference between British Indian Ocean Time (BIOT) and Tonga Time (TOT) is 7 hours. Tonga Time is 7 hours ahead of British Indian Ocean Time.
This means 9am BIOT is 4pm TOT and 5pm BIOT is 12am TOT (next day).
British Indian Ocean Time
- The current local time in BIOT is 4:32 am (July 19, 2026)
- BIOT time zone offset is UTC+06:00
Tonga Time
- The current local time in TOT is 11:32 am (July 19, 2026)
- TOT time zone offset is UTC+13:00
How to convert British Indian Ocean Time to Tonga Time?
Add 7 hours to British Indian Ocean Time to get Tonga Time.
Time in BIOT
00:00
Time in TOT
00:00
Use the slider above to convert British Indian Ocean Time to Tonga 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
| BIOT | TOT |
|---|---|
| 12am | 7am |
| 1am | 8am |
| 2am | 9am |
| 3am | 10am |
| 4am | 11am |
| 5am | 12pm |
| 6am | 1pm |
| 7am | 2pm |
| 8am | 3pm |
| 9am | 4pm |
| 10am | 5pm |
| 11am | 6pm |
| 12pm | 7pm |
| 1pm | 8pm |
| 2pm | 9pm |
| 3pm | 10pm |
| 4pm | 11pm |
| 5pm | 12am |
| 6pm | 1am |
| 7pm | 2am |
| 8pm | 3am |
| 9pm | 4am |
| 10pm | 5am |
| 11pm | 6am |