Time in BST and GYT
The time difference between Bougainville Standard Time (BST) and Guyana Time (GYT) is 15 hours. Guyana Time is 15 hours behind Bougainville Standard Time.
This means 9am BST is 6pm GYT (previous day) and 5pm BST is 2am GYT.
Bougainville Standard Time
- The current local time in BST is 12:40 am (July 19, 2026)
- BST time zone offset is UTC+11:00
Guyana Time
- The current local time in GYT is 5:40 pm (July 18, 2026)
- GYT time zone offset is UTC-04:00
How to convert Bougainville Standard Time to Guyana Time?
Subtract 15 hours from Bougainville Standard Time to get Guyana Time.
Time in BST
00:00
Time in GYT
00:00
Use the slider above to convert Bougainville Standard Time to Guyana 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 | GYT |
|---|---|
| 12am | 9am |
| 1am | 10am |
| 2am | 11am |
| 3am | 12pm |
| 4am | 1pm |
| 5am | 2pm |
| 6am | 3pm |
| 7am | 4pm |
| 8am | 5pm |
| 9am | 6pm |
| 10am | 7pm |
| 11am | 8pm |
| 12pm | 9pm |
| 1pm | 10pm |
| 2pm | 11pm |
| 3pm | 12am |
| 4pm | 1am |
| 5pm | 2am |
| 6pm | 3am |
| 7pm | 4am |
| 8pm | 5am |
| 9pm | 6am |
| 10pm | 7am |
| 11pm | 8am |