Time in CKT and BST
The time difference between Cook Island Time (CKT) and British Summer Time (BST) is 11 hours. British Summer Time is 11 hours ahead of Cook Island Time.
This means 9am CKT is 8pm BST and 5pm CKT is 4am BST (next day).
Cook Island Time
- The current local time in CKT is 6:03 am (July 19, 2026)
- CKT time zone offset is UTC-10:00
British Summer Time
- The current local time in BST is 9:03 pm (July 18, 2026)
- BST time zone offset is UTC+01:00
How to convert Cook Island Time to British Summer Time?
Add 11 hours to Cook Island Time to get British Summer Time.
Time in CKT
00:00
Time in BST
00:00
Use the slider above to convert Cook Island Time to British Summer 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
| CKT | BST |
|---|---|
| 12am | 11am |
| 1am | 12pm |
| 2am | 1pm |
| 3am | 2pm |
| 4am | 3pm |
| 5am | 4pm |
| 6am | 5pm |
| 7am | 6pm |
| 8am | 7pm |
| 9am | 8pm |
| 10am | 9pm |
| 11am | 10pm |
| 12pm | 11pm |
| 1pm | 12am |
| 2pm | 1am |
| 3pm | 2am |
| 4pm | 3am |
| 5pm | 4am |
| 6pm | 5am |
| 7pm | 6am |
| 8pm | 7am |
| 9pm | 8am |
| 10pm | 9am |
| 11pm | 10am |