Time in BST and CKT
The time difference between British Summer Time (BST) and Cook Island Time (CKT) is 11 hours. Cook Island Time is 11 hours behind British Summer Time.
This means 9am BST is 10pm CKT (previous day) and 5pm BST is 6am CKT.
British Summer Time
- The current local time in BST is 2:09 pm (July 3, 2026)
- BST time zone offset is UTC+01:00
Cook Island Time
- The current local time in CKT is 11:09 pm (July 3, 2026)
- CKT time zone offset is UTC-10:00
How to convert British Summer Time to Cook Island Time?
Subtract 11 hours from British Summer Time to get Cook Island Time.
Time in BST
00:00
Time in CKT
00:00
Use the slider above to convert British Summer Time to Cook Island 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 | CKT |
|---|---|
| 12am | 1pm |
| 1am | 2pm |
| 2am | 3pm |
| 3am | 4pm |
| 4am | 5pm |
| 5am | 6pm |
| 6am | 7pm |
| 7am | 8pm |
| 8am | 9pm |
| 9am | 10pm |
| 10am | 11pm |
| 11am | 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 |