Time in HDT and BST
The time difference between Hawaii–Aleutian Daylight Time (HDT) and British Summer Time (BST) is 10 hours. British Summer Time is 10 hours ahead of Hawaii–Aleutian Daylight Time.
This means 9am HDT is 7pm BST and 5pm HDT is 3am BST (next day).
Hawaii–Aleutian Daylight Time
- The current local time in HDT is 4:43 pm (September 2, 2026)
- HDT time zone offset is UTC-09:00
British Summer Time
- The current local time in BST is 8:43 am (September 2, 2026)
- BST time zone offset is UTC+01:00
How to convert Hawaii–Aleutian Daylight Time to British Summer Time?
Add 10 hours to Hawaii–Aleutian Daylight Time to get British Summer Time.
Time in HDT
00:00
Time in BST
00:00
Use the slider above to convert Hawaii–Aleutian Daylight 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
| HDT | BST |
|---|---|
| 12am | 10am |
| 1am | 11am |
| 2am | 12pm |
| 3am | 1pm |
| 4am | 2pm |
| 5am | 3pm |
| 6am | 4pm |
| 7am | 5pm |
| 8am | 6pm |
| 9am | 7pm |
| 10am | 8pm |
| 11am | 9pm |
| 12pm | 10pm |
| 1pm | 11pm |
| 2pm | 12am |
| 3pm | 1am |
| 4pm | 2am |
| 5pm | 3am |
| 6pm | 4am |
| 7pm | 5am |
| 8pm | 6am |
| 9pm | 7am |
| 10pm | 8am |
| 11pm | 9am |