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CT/CDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BMT
UTC+1
6h ahead
12am
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6am
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9pm

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 26, 2026 = 1:00 pm13:00 BMT (UTC+1), Oct 26, 2026

CDT is 6 hours behind BMT.

How the time difference changes

For most of the year, CT is 6 hours behind BMT. From Nov 1, 2026 to Mar 14, 2027, CT is 7 hours behind BMT.

For most of the year, working hours of 9:00 am to 6:00 pm in CT correspond to 3:00 pm to 12:00 am (next day) in BMT. At other times of the year, working hours of 9:00 am to 6:00 pm in CT correspond to 4:00 pm to 1:00 am (next day) in BMT.For most of the year, working hours of 09:00 to 18:00 in CT correspond to 15:00 to 00:00 (next day) in BMT. At other times of the year, working hours of 09:00 to 18:00 in CT correspond to 16:00 to 01:00 (next day) in BMT.

Compare CT time with BMT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Daylight Time is 6 hours behind Biel Mean Time.
7:00 am07:00 in CDT is 1:00 pm13:00 in BMT

CDT to BMT call time
Best time for a conference call or a meeting is between 9am-12pm09:00-12:00 in CDT which corresponds to 3pm-6pm15:00-18:00 in BMT

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
1:00 pm13:00 Biel Mean Time (BMT). Offset UTC +1:00 hour

7:00 am07:00 CDT / 1:00 pm13:00 BMT

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.

Hourly time comparison
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Central Time

Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States

Principal Cities: The largest city in the CT 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

Map of the areas on Central Time (CT)
CT all year CT part of the year

Today the lighter areas are on UTC−6 (Central Standard Time, MDT).

CT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
Time zones with the GMT -6 offset:
  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone

Biel Mean Time

Offset: BMT is 1 hour ahead of Greenwich Mean Time (GMT).

Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central European Summer Time (CEST).

123456789101112Start: Biel Mean Time (BMT) started on Sunday, October 25, 2026 at 3:00 am03:00 local time and clocks were set one hour back to Sunday, October 25, 2026, 2:00 am02:00. Standard time starts annually on the last Sunday of October.

123456789101112End: Biel Mean Time (BMT) ends on Sunday, March 28, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 28, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the last Sunday of March.

See upcoming clock changes worldwide.

BMT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +01 - basic short
  • +0100 - basic
  • +01:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Alpha - Military abbreviation for BMT
  • A - short form of 'Alpha'
Time zones with the GMT +1 offset:
  • 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