Time in BST and ADT
The time difference between British Summer Time (BST) and Atlantic Daylight Time (ADT) is 4 hours. Atlantic Daylight Time is 4 hours behind British Summer Time.
British Summer Time
- The current local time in BST is 10:03 am (April 20, 2024)
- BST time zone offset is UTC+01:00
Atlantic Daylight Time
- The current local time in ADT is 6:03 am (April 20, 2024)
- ADT time zone offset is UTC-03:00
How to convert British Summer Time to Atlantic Daylight Time?
Subtract 4 hours from British Summer Time to get Atlantic Daylight Time.
Time in BST
00:00
Time in ADT
00:00
Use the slider above to convert British Summer Time to Atlantic 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 | ADT |
|---|---|
| 12am | 8pm |
| 1am | 9pm |
| 2am | 10pm |
| 3am | 11pm |
| 4am | 12am |
| 5am | 1am |
| 6am | 2am |
| 7am | 3am |
| 8am | 4am |
| 9am | 5am |
| 10am | 6am |
| 11am | 7am |
| 12pm | 8am |
| 1pm | 9am |
| 2pm | 10am |
| 3pm | 11am |
| 4pm | 12pm |
| 5pm | 1pm |
| 6pm | 2pm |
| 7pm | 3pm |
| 8pm | 4pm |
| 9pm | 5pm |
| 10pm | 6pm |
| 11pm | 7pm |