Time in BST and MDT
The time difference between Bougainville Standard Time (BST) and Mountain Daylight Time (MDT) is 17 hours. Mountain Daylight Time is 17 hours behind Bougainville Standard Time.
This means 9am BST is 4pm MDT (previous day) and 5pm BST is 12am MDT.
Bougainville Standard Time
- The current local time in BST is 12:38 am (July 19, 2026)
- BST time zone offset is UTC+11:00
Mountain Daylight Time
- The current local time in MDT is 7:38 pm (July 18, 2026)
- MDT time zone offset is UTC-06:00
How to convert Bougainville Standard Time to Mountain Daylight Time?
Subtract 17 hours from Bougainville Standard Time to get Mountain Daylight Time.
Time in BST
00:00
Time in MDT
00:00
Use the slider above to convert Bougainville Standard Time to Mountain Daylight 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
| BST | MDT |
|---|---|
| 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 |