CST Caribbean to BST Converter
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
8:00 am08:00 CDT (UTC-4), Oct 18, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 18, 2026
CDT is 5 hours behind BST.
CST and BST examples
These examples always use CST (UTC-5) 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.
CST is 6 hours behind BST.
How the time difference changes
For most of the year, CDT Caribbean is 5 hours behind BST. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, CDT Caribbean is 4 hours behind GMT. From Nov 1, 2026 to Mar 14, 2027, CST Caribbean is 5 hours behind GMT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT Caribbean correspond to 2:00 pm to 11:00 pm in BST. At other times of the year, working hours of 9:00 am to 6:00 pm in CST Caribbean correspond to 2:00 pm to 11:00 pm in GMT or working hours of 9:00 am to 6:00 pm in CDT Caribbean correspond to 1:00 pm to 10:00 pm in GMT.For most of the year, working hours of 09:00 to 18:00 in CDT Caribbean correspond to 14:00 to 23:00 in BST. At other times of the year, working hours of 09:00 to 18:00 in CST Caribbean correspond to 14:00 to 23:00 in GMT or working hours of 09:00 to 18:00 in CDT Caribbean correspond to 13:00 to 22:00 in GMT.
Compare CST time with BST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Cuba Daylight Time is 5 hours behind British Summer Time.
8:00 am08:00 in CDT is 1:00 pm13:00 in BST
CDT to BST call time
Best time for a conference call or a meeting is between 9am-1pm09:00-13:00 in CDT which corresponds to 2pm-6pm14:00-18:00 in BST
8:00 am08:00 Cuba Daylight Time (CDT). Offset UTC -4:00 hours
1:00 pm13:00 British Summer Time (BST). Offset UTC +1:00 hour
8:00 am08:00 CDT / 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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Cuba Standard Time
Offset: CST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Cuba
Principal Cities: The largest city in the CST time zone is Havana in Cuba, with about 2.164 million people. Other major cities in this time zone include Santiago de Cuba, Camagüey, Holguín, Guantánamo.
Today the shaded areas are on UTC−4 (Cuba Daylight Time).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Cuba Daylight Time (CDT).
End: Cuba Standard Time (CST) ended on Sunday, March 8, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 1:00 am01:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Cuba Standard Time (CST) starts on Sunday, November 1, 2026 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 12:00 am00:00. Standard time starts annually on the first Sunday of November.
See Cuba daylight saving time and upcoming clock changes worldwide.
CST representations, usage and related time zones
- -05 - basic short
- -0500 - basic
- -05:00 - extended
- -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
- Romeo - Military abbreviation for CST
- R - short form of 'Romeo'
- America/Havana
- Cuba
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CDT - Central Daylight Time
- EST - Eastern Standard Time
- ET - Eastern Time
- COT - Colombia Time
- CST - Cuba Standard Time
- EASST - Easter Island Summer Time
- ECT - Ecuador Time
- PET - Peru Time
- R - Romeo 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