BST to SST Converter
Quick answers
Selected conversion
1:00 pm BST (UTC+1), Oct 3, 2026 = 1:00 am SST (UTC-11), Oct 3, 202613:00 BST (UTC+1), Oct 3, 2026 = 01:00 SST (UTC-11), Oct 3, 2026
BST is 12 hours ahead of SST.
BST and SST examples
These examples always use BST (UTC+1) and SST (UTC-11). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
BST is 12 hours ahead of SST.
How the time difference changes
For most of the year, BST is 12 hours ahead of SST. At other times of the year, GMT is 11 hours ahead of SST.
For most of the year, working hours of 9:00 am to 5:00 pm in BST correspond to 9:00 pm (previous day) to 5:00 am in SST. At other times of the year, working hours of 9:00 am to 5:00 pm in GMT correspond to 10:00 pm (previous day) to 6:00 am in SST.For most of the year, working hours of 09:00 to 17:00 in BST correspond to 21:00 (previous day) to 05:00 in SST. At other times of the year, working hours of 09:00 to 17:00 in GMT correspond to 22:00 (previous day) to 06:00 in SST.
Compare BST time with SST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
British Summer Time is 12 hours ahead of Samoa Standard Time
1:00 pm13:00 in BST is 1:00 am01:00 in SST
BST to SST call time
Best time for a conference call or a meeting is between 7pm-8pm19:00-20:00 in BST which corresponds to 7am-8am07:00-08:00 in SST
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
1:00 pm13:00 BST / 1:00 am01:00 SST
| BST | SST |
|---|---|
| 12am (midnight) | 12pm (noon) |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm (noon) | 12am (midnight) |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |
| 00:00 | 12:00 |
| 01:00 | 13:00 |
| 02:00 | 14:00 |
| 03:00 | 15:00 |
| 04:00 | 16:00 |
| 05:00 | 17:00 |
| 06:00 | 18:00 |
| 07:00 | 19:00 |
| 08:00 | 20:00 |
| 09:00 | 21:00 |
| 10:00 | 22:00 |
| 11:00 | 23:00 |
| 12:00 | 00:00 |
| 13:00 | 01:00 |
| 14:00 | 02:00 |
| 15:00 | 03:00 |
| 16:00 | 04:00 |
| 17:00 | 05:00 |
| 18:00 | 06:00 |
| 19:00 | 07:00 |
| 20:00 | 08:00 |
| 21:00 | 09:00 |
| 22:00 | 10:00 |
| 23:00 | 11:00 |
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries using this time zone: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST time zone is London in United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Liverpool, Saint Helier.
Daylight Saving: British Summer Time (BST) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 29, 2026 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 29, 2026, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 25, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 25, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the last Sunday of October.
BST representations, usage and related time zones
- +01 - basic short
- +0100 - basic
- +01:00 - extended
- +0100 - sign character (+) followed by a four digit time providing hours (01) and minutes (00) of the offset. Indicates an offset of one hour to the east of the zero meridian.
- Alpha - Military abbreviation for BST
- A - short form of 'Alpha'
- Europe/Belfast
- Europe/Guernsey
- Europe/Isle_of_Man
- Europe/Jersey
- Europe/London
- GB
- GB-Eire
- British Summer Time - UTC +1
- Bangladesh Standard Time - UTC +6
- Bougainville Standard Time - UTC +11
- BST - British Summer Time
- CET - Central European Time
- IST - Irish Standard Time
- WEST - Western European Summer Time
- A - Alpha Time Zone
- CET - Central European Time
- MEZ - Mitteleuropäische Zeit
- WAT - West Africa Time
- WST - Western Sahara Summer Time
- BMT - Biel Mean Time
Samoa Standard Time
Offset: SST is 11 hours behind Greenwich Mean Time (GMT) and is used in Pacific
Countries using this time zone: Samoa (American), US minor outlying islands
Principal Cities: The largest city in the SST time zone is Pago Pago in American Samoa, with about 11,500 people.
Daylight Saving: Clocks in Samoa Standard Time (SST) do not change for daylight saving time, so SST stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.
SST representations, usage and related time zones
- -11 - basic short
- -1100 - basic
- -11:00 - extended
- -1100 - sign character (-) followed by a four digit time providing hours (11) and minutes (00) of the offset. Indicates an offset of eleven hours to the west of the zero meridian.
- X-ray - Military abbreviation for SST
- X - short form of 'X-ray'
- Pacific/Midway
- Pacific/Pago_Pago
- Pacific/Samoa
- US/Samoa
- NUT - Niue Time
- SST - Samoa Standard Time
- X - X-ray Time Zone