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CDT
12am
3am
6am
9am
12pm
3pm
6pm
9pm
BDT
UTC+6
11h ahead
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 18, 2026 = 6:00 pm18:00 BDT (UTC+6), Oct 18, 2026

CDT is 11 hours behind BDT.

CDT and BDT examples

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

CDT is 11 hours behind BDT.

How the time difference changes

For most of the year, CDT is 11 hours behind BDT. From Nov 1, 2026 to Mar 14, 2027, CST is 12 hours behind BDT.

For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 8:00 pm to 5:00 am (next day) in BDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 9:00 pm to 6:00 am (next day) in BDT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 20:00 to 05:00 (next day) in BDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 21:00 to 06:00 (next day) in BDT.

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

Time Difference

Central Daylight Time is 11 hours behind Bangladesh Time.
7:00 am07:00 in CDT is 6:00 pm18:00 in BDT

CDT to BDT call time
Best time for a conference call or a meeting is between 7:30am-8:30am07:30-08:30 in CDT which corresponds to 6:30pm-7:30pm18:30-19:30 in BDT. Their 9am–6pm09:00–18:00 working hours do not overlap; this is a suggested compromise.

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
6:00 pm18:00 Bangladesh Time (BDT). Offset UTC +6:00 hours

7:00 am07:00 CDT / 6:00 pm18:00 BDT

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Hourly time comparison
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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 all shaded areas are on CDT.

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

123456789101112Start: Central Daylight Time (CDT) started on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.

123456789101112End: Central Daylight Time (CDT) ends on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are 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.

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

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.

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