Time in BST and SDT
The time difference between Bougainville Standard Time (BST) and Samoa Daylight Time (SDT) is 21 hours. Samoa Daylight Time is 21 hours behind Bougainville Standard Time.
This means 9am BST is 12pm SDT (previous day) and 5pm BST is 8pm SDT (previous day).
Bougainville Standard Time
- The current local time in BST is 7:33 pm (September 2, 2026)
- BST time zone offset is UTC+11:00
Samoa Daylight Time
- The current local time in SDT is 6:33 pm (September 2, 2026)
- SDT time zone offset is UTC-10:00
How to convert Bougainville Standard Time to Samoa Daylight Time?
Subtract 21 hours from Bougainville Standard Time to get Samoa Daylight Time.
Time in BST
00:00
Time in SDT
00:00
Use the slider above to convert Bougainville Standard Time to Samoa 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 | SDT |
|---|---|
| 12am | 3am |
| 1am | 4am |
| 2am | 5am |
| 3am | 6am |
| 4am | 7am |
| 5am | 8am |
| 6am | 9am |
| 7am | 10am |
| 8am | 11am |
| 9am | 12pm |
| 10am | 1pm |
| 11am | 2pm |
| 12pm | 3pm |
| 1pm | 4pm |
| 2pm | 5pm |
| 3pm | 6pm |
| 4pm | 7pm |
| 5pm | 8pm |
| 6pm | 9pm |
| 7pm | 10pm |
| 8pm | 11pm |
| 9pm | 12am |
| 10pm | 1am |
| 11pm | 2am |