BST to CST to EST to PDT Time Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 5.
Mexico City and Saskatchewan stay on CST (UTC−6).
Eastern Time is on daylight saving time: EDT (UTC−4) until Sun, Nov 5.
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Add one or more places to compare local times, adjust the date, and share the result.
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Selected conversion
3:00 pm15:00 BST (UTC+1), Sep 13, 2017 = 9:00 am09:00 CDT (UTC-5), Sep 13, 2017 = 10:00 am10:00 EDT (UTC-4), Sep 13, 2017 = 7:00 am07:00 PDT (UTC-7), Sep 13, 2017
BST is 6 hours ahead of CDT. BST is 5 hours ahead of EDT. BST is 8 hours ahead of PDT.
How the time difference changes
BST to CST
For most of the year, BST is 6 hours ahead of CDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, GMT is 5 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 6 hours ahead of CST.
For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 3:00 am to 12:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 3:00 am to 12:00 pm in CST or working hours of 9:00 am to 6:00 pm in GMT correspond to 4:00 am to 1:00 pm in CDT.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 03:00 to 12:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 03:00 to 12:00 in CST or working hours of 09:00 to 18:00 in GMT correspond to 04:00 to 13:00 in CDT.
BST to EST
For most of the year, BST is 5 hours ahead of EDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, GMT is 4 hours ahead of EDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 5 hours ahead of EST.
For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 4:00 am to 1:00 pm in EDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 4:00 am to 1:00 pm in EST or working hours of 9:00 am to 6:00 pm in GMT correspond to 5:00 am to 2:00 pm in EDT.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 04:00 to 13:00 in EDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 04:00 to 13:00 in EST or working hours of 09:00 to 18:00 in GMT correspond to 05:00 to 14:00 in EDT.
BST to PDT
For most of the year, BST is 8 hours ahead of PDT. From Oct 25 to Nov 1, 2026, and from Mar 14 to Mar 28, 2027, GMT is 7 hours ahead of PDT. From Nov 1, 2026 to Mar 14, 2027, GMT is 8 hours ahead of PST.
For most of the year, working hours of 9:00 am to 6:00 pm in BST correspond to 1:00 am to 10:00 am in PDT. At other times of the year, working hours of 9:00 am to 6:00 pm in GMT correspond to 1:00 am to 10:00 am in PST or working hours of 9:00 am to 6:00 pm in GMT correspond to 2:00 am to 11:00 am in PDT.For most of the year, working hours of 09:00 to 18:00 in BST correspond to 01:00 to 10:00 in PDT. At other times of the year, working hours of 09:00 to 18:00 in GMT correspond to 01:00 to 10:00 in PST or working hours of 09:00 to 18:00 in GMT correspond to 02:00 to 11:00 in PDT.
Compare BST time with CST, EST, and PDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
British Summer Time is 6 hours ahead of Central Daylight Time. British Summer Time is 5 hours ahead of Eastern Daylight Time. British Summer Time is 8 hours ahead of Pacific Daylight Time.
3:00 pm15:00 in BST is 9:00 am09:00 in CDT and is 10:00 am10:00 in EDT and is 7:00 am07:00 in PDT
BST to CDT call time
Best time for a conference call or a meeting is between 3pm-6pm15:00-18:00 in BST which corresponds to 9am-12pm09:00-12:00 in CDT
BST to EDT call time
Best time for a conference call or a meeting is between 2pm-6pm14:00-18:00 in BST which corresponds to 9am-1pm09:00-13:00 in EDT
BST to PDT call time
Best time for a conference call or a meeting is between 5pm-6pm17:00-18:00 in BST which corresponds to 9am-10am09:00-10:00 in PDT
3:00 pm15:00 British Summer Time (BST). Offset UTC +1:00 hour
9:00 am09:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
10:00 am10:00 Eastern Daylight Time (EDT). Offset UTC -4:00 hours
7:00 am07:00 Pacific Daylight Time (PDT). Offset UTC -7:00 hours
3:00 pm15:00 BST / 9:00 am09:00 CDT / 10:00 am10:00 EDT / 7:00 am07:00 PDT
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.
| BST | CDT | EDT | PDT |
|---|---|---|---|
| 6:00pm previous day | 7:00pm previous day | 4:00pm previous day | |
| 7:00pm previous day | 8:00pm previous day | 5:00pm previous day | |
| 8:00pm previous day | 9:00pm previous day | 6:00pm previous day | |
| 9:00pm previous day | 10:00pm previous day | 7:00pm previous day | |
| 10:00pm previous day | 11:00pm previous day | 8:00pm previous day | |
| 11:00pm previous day | 12:00am | 9:00pm previous day | |
| 12:00am | 1:00am | 10:00pm previous day | |
| 1:00am | 2:00am | 11:00pm previous day | |
| 2:00am | 3:00am | 12:00am | |
| 3:00am | 4:00am | 1:00am | |
| 4:00am | 5:00am | 2:00am | |
| 5:00am | 6:00am | 3:00am | |
| 6:00am | 7:00am | 4:00am | |
| 7:00am | 8:00am | 5:00am | |
| 8:00am | 9:00am | 6:00am | |
| 9:00am | 10:00am | 7:00am | |
| 10:00am | 11:00am | 8:00am | |
| 11:00am | 12:00pm | 9:00am | |
| 12:00pm | 1:00pm | 10:00am | |
| 1:00pm | 2:00pm | 11:00am | |
| 2:00pm | 3:00pm | 12:00pm | |
| 3:00pm | 4:00pm | 1:00pm | |
| 4:00pm | 5:00pm | 2:00pm | |
| 5:00pm | 6:00pm | 3:00pm | |
| 18:00 previous day | 19:00 previous day | 16:00 previous day | |
| 19:00 previous day | 20:00 previous day | 17:00 previous day | |
| 20:00 previous day | 21:00 previous day | 18:00 previous day | |
| 21:00 previous day | 22:00 previous day | 19:00 previous day | |
| 22:00 previous day | 23:00 previous day | 20:00 previous day | |
| 23:00 previous day | 00:00 | 21:00 previous day | |
| 00:00 | 01:00 | 22:00 previous day | |
| 01:00 | 02:00 | 23:00 previous day | |
| 02:00 | 03:00 | 00:00 | |
| 03:00 | 04:00 | 01:00 | |
| 04:00 | 05:00 | 02:00 | |
| 05:00 | 06:00 | 03:00 | |
| 06:00 | 07:00 | 04:00 | |
| 07:00 | 08:00 | 05:00 | |
| 08:00 | 09:00 | 06:00 | |
| 09:00 | 10:00 | 07:00 | |
| 10:00 | 11:00 | 08:00 | |
| 11:00 | 12:00 | 09:00 | |
| 12:00 | 13:00 | 10:00 | |
| 13:00 | 14:00 | 11:00 | |
| 14:00 | 15:00 | 12:00 | |
| 15:00 | 16:00 | 13:00 | |
| 16:00 | 17:00 | 14:00 | |
| 17:00 | 18:00 | 15:00 |
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
On September 13, 2017 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 26, 2017 at 1:00 am01:00 local time and clocks were set one hour forward to Sunday, March 26, 2017, 2:00 am02:00. Daylight saving starts annually on the last Sunday of March.
End: British Summer Time (BST) ends on Sunday, October 29, 2017 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, October 29, 2017, 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
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
On September 13, 2017 some shaded areas are on UTC−5 (Central 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 Central Daylight Time (CDT).
End: Central Standard Time (CST) ended on Sunday, March 12, 2017 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Central Standard Time (CST) starts on Sunday, November 5, 2017 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
CST representations, usage and related time zones
- -06 - basic short
- -0600 - basic
- -06:00 - extended
- -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates an offset of six hours to the west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Eastern Standard Time
Offset: EST is 5 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Bahamas, Canada, Cayman Islands, Haiti, Jamaica, Mexico, Panama, Turks and Caicos Islands, United States
Principal Cities: The largest city in the EST time zone is New York City in the United States, with about 8.804 million people. Other major cities in this time zone include Toronto, Montréal, Philadelphia, Port-au-Prince.
French: HNE - Heure Normale de l'Est
Spanish: ET - Tiempo del Este, ET - Zona Sureste
On September 13, 2017 the lighter areas are on UTC−4 (Atlantic Standard Time, EDT).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Eastern Daylight Time (EDT).
End: Eastern Standard Time (EST) ended on Sunday, March 12, 2017 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Eastern Standard Time (EST) starts on Sunday, November 5, 2017 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
EST 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 EST
- R - short form of 'Romeo'
- America/Atikokan
- America/Cancun
- America/Cayman
- America/Coral_Harbour
- America/Detroit
- America/Fort_Wayne
- America/Grand_Turk
- America/Indiana/Indianapolis
- America/Indiana/Marengo
- America/Indiana/Petersburg
- America/Indiana/Vevay
- America/Indiana/Vincennes
- America/Indiana/Winamac
- America/Indianapolis
- America/Iqaluit
- America/Jamaica
- America/Kentucky/Louisville
- America/Kentucky/Monticello
- America/Louisville
- America/Montreal
- America/Nassau
- America/New_York
- America/Nipigon
- America/Panama
- America/Pangnirtung
- America/Port-au-Prince
- America/Thunder_Bay
- America/Toronto
- Canada/Eastern
- EST
- EST5EDT
- Jamaica
- US/East-Indiana
- US/Eastern
- US/Michigan
- 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
Pacific Daylight Time
Offset: PDT is 7 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Mexico, United States
Principal Cities: The largest city in the PDT time zone is Los Angeles in the United States, with about 3.821 million people. Other major cities in this time zone include Tijuana, San Diego, Mexicali, San Jose.
French: HAP - Heure Avancée du Pacifique
Spanish: PT - Zona Noroeste
On September 13, 2017 all shaded areas are on PDT.
Daylight Saving: Pacific Daylight Time (PDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Pacific Standard Time (PST).
Start: Pacific Daylight Time (PDT) started on Sunday, March 12, 2017 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 12, 2017, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
End: Pacific Daylight Time (PDT) ends on Sunday, November 5, 2017 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 5, 2017, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
PDT representations, usage and related time zones
- -07 - basic short
- -0700 - basic
- -07:00 - extended
- -0700 - sign character (-) followed by a four digit time providing hours (07) and minutes (00) of the offset. Indicates an offset of seven hours to the west of the zero meridian.
- Tango - Military abbreviation for PDT
- T - short form of 'Tango'
- America/Ensenada
- America/Los_Angeles
- America/Santa_Isabel
- America/Tijuana
- America/Vancouver
- Canada/Pacific
- Mexico/BajaNorte
- PST8PDT
- US/Pacific
- MST - Mountain Standard Time
- PDT - Pacific Daylight Time
- YST - Yukon Standard Time
- T - Tango Time Zone