Time in COT and BIOT
The time difference between Colombia Time (COT) and British Indian Ocean Time (BIOT) is 11 hours. British Indian Ocean Time is 11 hours ahead of Colombia Time.
This means 9am COT is 8pm BIOT and 5pm COT is 4am BIOT (next day).
Colombia Time
- The current local time in COT is 5:25 pm (July 18, 2026)
- COT time zone offset is UTC-05:00
British Indian Ocean Time
- The current local time in BIOT is 6:25 pm (July 18, 2026)
- BIOT time zone offset is UTC+06:00
How to convert Colombia Time to British Indian Ocean Time?
Add 11 hours to Colombia Time to get British Indian Ocean Time.
Time in COT
00:00
Time in BIOT
00:00
Use the slider above to convert Colombia Time to British 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
| COT | BIOT |
|---|---|
| 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 |