BDT to CDT Converter

Updating current time…
BDT
Bangladesh Time
UTC+6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
CST/CDT
Central Standard Time
UTC−6
12h behind
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on standard time: CST (UTC−6) until Sun, Mar 14, 2027.
Keep CDT (UTC−5)

Quick answers

Selected conversion

6:00 pm18:00 BDT (UTC+6), Nov 8, 2026 = 6:00 am06:00 CST (UTC-6), Nov 8, 2026

BDT is 12 hours ahead of CST.

BDT and CDT examples

These examples always use BDT (UTC+6) and CDT (UTC-5). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

BDT is 11 hours ahead of CDT.

How the time difference changes

For most of the year, BDT is 11 hours ahead of CDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, BDT is 12 hours ahead of CST.

For most of the year, working hours of 9:00 am to 6:00 pm in BDT correspond to 10:00 pm (previous day) to 7:00 am in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in BDT correspond to 9:00 pm (previous day) to 6:00 am in CST.For most of the year, working hours of 09:00 to 18:00 in BDT correspond to 22:00 (previous day) to 07:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in BDT correspond to 21:00 (previous day) to 06:00 in CST.

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

Time Difference

Bangladesh Time is 12 hours ahead of Central Standard Time.
6:00 pm18:00 in BDT is 6:00 am06:00 in CST

BDT to CST call time
Best time for a conference call or a meeting is between 7am-8am07:00-08:00 in BDT which corresponds to 7pm-8pm19:00-20:00 in CST (previous day). Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

6:00 pm18:00 Bangladesh Time (BDT). Offset UTC +6:00 hours
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours

6:00 pm18:00 BDT / 6:00 am06:00 CST

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
BDTCST
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Bangladesh Time

Offset: BDT is 6 hours ahead of Greenwich Mean Time (GMT).

Countries using this time zone: Bangladesh

Principal Cities: The largest city in the BDT time zone is Dhaka in Bangladesh, with about 10.357 million people. Other major cities in this time zone include Chattogram, Gazipur, Khulna, Rangpur.

Daylight Saving: Clocks in Bangladesh Time (BDT) do not change for daylight saving time, so BDT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

Map of the areas on Bangladesh Time (BDT)
BDT all year

Open the world time zone map© OpenStreetMap

BDT 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 east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Foxtrot - Military abbreviation for BDT
  • F - short form of 'Foxtrot'
Time zones with the GMT +6 offset:
  • BST - Bangladesh Standard Time
  • BDT - Bangladesh Time
  • BTT - Bhutan Time
  • F - Foxtrot Time Zone
  • IOT - Indian Chagos Time
  • KGT - Kyrgyzstan Time
  • OMST - Omsk Standard Time
  • XJT - Xinjiang Time
  • YEKST - Yekaterinburg Summer Time

Central Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Dallas, Fort Worth.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

Map of the areas on Central Daylight Time (CDT)
CDT part of the year

Today the shaded areas are on UTC−6 (Central Standard Time).

Open the world time zone map© OpenStreetMap

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).

123456789101112End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.

123456789101112Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

See USA daylight saving time and upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -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.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • 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
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • 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