CDT Caribbean to BST Converter
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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 13, 2026 = 1:00 pm13:00 BST (UTC+1), Oct 13, 2026
CDT is 5 hours behind BST.
CDT and BST examples
These examples always use CDT (UTC-4) 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.
CDT is 5 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 5:00 pm in CDT Caribbean correspond to 2:00 pm to 10:00 pm in BST. At other times of the year, working hours of 9:00 am to 5:00 pm in CST Caribbean correspond to 2:00 pm to 10:00 pm in GMT or working hours of 9:00 am to 5:00 pm in CDT Caribbean correspond to 1:00 pm to 9:00 pm in GMT.For most of the year, working hours of 09:00 to 17:00 in CDT Caribbean correspond to 14:00 to 22:00 in BST. At other times of the year, working hours of 09:00 to 17:00 in CST Caribbean correspond to 14:00 to 22:00 in GMT or working hours of 09:00 to 17:00 in CDT Caribbean correspond to 13:00 to 21:00 in GMT.
Compare CDT 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-12pm09:00-12:00 in CDT which corresponds to 2pm-5pm14:00-17:00 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 Daylight Time
Offset: CDT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Cuba
Principal Cities: The largest city in the CDT 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 all shaded areas are on CDT.
Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Cuba Standard Time (CST).
Start: Cuba Daylight Time (CDT) started 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. Daylight saving starts annually on the second Sunday of March.
End: Cuba Daylight Time (CDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.
CDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for CDT
- Q - short form of 'Quebec'
- America/Havana
- Cuba
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- FKT - Falkland Island Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- PYT - Paraguay Time
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time
British Summer Time
Offset: BST is 1 hour ahead of Greenwich Mean Time (GMT).
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 the United Kingdom, with about 8.962 million people. Other major cities in this time zone include Birmingham, Glasgow, Manchester, Sheffield.
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.
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