BST to CDT Converter
Time Difference
British Summer Time is 6 hours ahead of Central Daylight Time
11:00 am11:00 in BST is 5:00 am05:00 in CDT
BST to CDT call time
Best time for a conference call or a meeting is between 2pm-6pm in BST which corresponds to 8am-12pm in CDT
11:00 am11:00 British Summer Time (BST). Offset UTC +1:00 hour
5:00 am05:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 am11:00 BST / 5:00 am05:00 CDT
BST | CDT |
---|---|
12am (midnight) | 6pm |
1am | 7pm |
2am | 8pm |
3am | 9pm |
4am | 10pm |
5am | 11pm |
6am | 12am (midnight) |
7am | 1am |
8am | 2am |
9am | 3am |
10am | 4am |
11am | 5am |
12pm (noon) | 6am |
1pm | 7am |
2pm | 8am |
3pm | 9am |
4pm | 10am |
5pm | 11am |
6pm | 12pm (noon) |
7pm | 1pm |
8pm | 2pm |
9pm | 3pm |
10pm | 4pm |
11pm | 5pm |
0:00 | 18:00 |
1:00 | 19:00 |
2:00 | 20:00 |
3:00 | 21:00 |
4:00 | 22:00 |
5:00 | 23:00 |
6:00 | 0:00 |
7:00 | 1:00 |
8:00 | 2:00 |
9:00 | 3:00 |
10:00 | 4:00 |
11:00 | 5:00 |
12:00 | 6:00 |
13:00 | 7:00 |
14:00 | 8:00 |
15:00 | 9:00 |
16:00 | 10:00 |
17:00 | 11:00 |
18:00 | 12:00 |
19:00 | 13:00 |
20:00 | 14:00 |
21:00 | 15:00 |
22:00 | 16:00 |
23:00 | 17:00 |
British Summer Time
Offset: BST is 1 hour ahead Greenwich Mean Time (GMT) and is used in Europe
Countries: It is used in following countries: Britain (UK), Guernsey, Isle of Man, Jersey
Principal Cities: The largest city in the BST timezone is London from United Kingdom with population about 7.557 million people. Other major cities in the area are Birmingham, Glasgow, Liverpool, Saint Helier

Daylight Saving: British Summer Time (BST) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Greenwich Mean Time (GMT).
Start: British Summer Time (BST) started on Sunday, March 30, 2025 at 1:00 am local time and clocks were set one hour forward to Sunday, March 30, 2025, 2:00 am. Daylight saving starts annually the on last Sunday of March
End: British Summer Time (BST) ends on Sunday, October 26, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, October 26, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on 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 one hour and zero minutes time differences 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
- Brasilia Standard Time - UTC -3
- 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
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
Countries: It is used in following countries: Canada, Cuba, Mexico, United States
Principal Cities: The largest city in the CDT timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer timezone, however during winter some places switch clocks for one hour back and observe Central Standard Time (CST).
Start: Central Daylight Time (CDT) started on Sunday, March 9, 2025 at 2:00 am local time and clocks were set one hour forward to Sunday, March 9, 2025, 3:00 am. Daylight saving starts annually the on second Sunday of March
End: Central Daylight Time (CDT) ends on Sunday, November 2, 2025 at 2:00 am local time and clocks are set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November
CDT 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 five hour and zero minutes time differences to the west of the zero meridian.
- Romeo - Military abbreviation for CDT
- R - short form of 'Romeo'
- America/Chicago
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Matamoros
- America/Menominee
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Resolute
- America/Winnipeg
- CST6CDT
- Canada/Central
- US/Central
- US/Indiana-Starke
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- 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