SST to BST Converter
Start by searching for a time zone, city, or town.
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Quick answers
Selected conversion
1:00 am01:00 SST (UTC-11), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026
SST is 12 hours behind BST.
SST and BST examples
These examples always use SST (UTC-11) and BST (UTC+1). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
SST is 12 hours behind BST.
How the time difference changes
For most of the year, SST is 12 hours behind BST. From Oct 25, 2026 to Mar 28, 2027, SST is 11 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in SST correspond to 9:00 pm to 6:00 am (next day) in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in SST correspond to 8:00 pm to 5:00 am (next day) in GMT.For most of the year, working hours of 09:00 to 18:00 in SST correspond to 21:00 to 06:00 (next day) in BST. At other times of the year, working hours of 09:00 to 18:00 in SST correspond to 20:00 to 05:00 (next day) in GMT.
Compare SST time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Samoa Standard Time is 12 hours behind British Summer Time.
1:00 am01:00 in SST is 1:00 pm13:00 in BST
SST to BST call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in SST which corresponds to 7pm-8pm19:00-20:00 in BST. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.
1:00 am01:00 Samoa Standard Time (SST). Offset UTC -11:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
1:00 am01:00 SST / 1:00 pm13:00 BST
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
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Samoa Standard Time
Offset: SST is 11 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: American Samoa, United States Minor Outlying Islands
Principal Cities: The largest city in the SST time zone is Pago Pago in American Samoa, with about 11,500 people. Other major cities in this time zone include Tāfuna, Nu‘uuli, Leone, Faleniu.
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
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
Countries using this time zone: Guernsey, Isle of Man, Jersey, United Kingdom
Principal Cities: The largest city in the BST time zone is London in the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
Current time in the United Kingdom: UK time now
Today all shaded areas are on BST.
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.
See United Kingdom daylight saving time and upcoming clock changes worldwide.
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