Time in MDT and BIOT
The time difference between Mountain Daylight Time (MDT) and British Indian Ocean Time (BIOT) is 12 hours. British Indian Ocean Time is 12 hours ahead of Mountain Daylight Time.
This means 9am MDT is 9pm BIOT and 5pm MDT is 5am BIOT (next day).
Mountain Daylight Time
- The current local time in MDT is 2:07 am (July 9, 2026)
- MDT time zone offset is UTC-06:00
British Indian Ocean Time
- The current local time in BIOT is 2:07 am (July 9, 2026)
- BIOT time zone offset is UTC+06:00
How to convert Mountain Daylight Time to British Indian Ocean Time?
Add 12 hours to Mountain Daylight Time to get British Indian Ocean Time.
Time in MDT
00:00
Time in BIOT
00:00
Use the slider above to convert Mountain Daylight 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
| MDT | BIOT |
|---|---|
| 12am | 12pm |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm | 12am |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |