CDT to BTT Converter
CDT is not used on this date
This converter uses CST (GMT -6), the offset Chicago uses on this date. Open the CST converter.Quick answers
Selected conversion
The selected date and time will appear here when the converter loads.
CDT and BTT examples
These examples always use CDT (UTC-5) and BTT (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 BTT.
How the time difference changes
For most of the year, CDT is 11 hours behind BTT. At other times of the year, CST is 12 hours behind BTT.
For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 8:00 pm to 4:00 am (next day) in BTT. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 9:00 pm to 5:00 am (next day) in BTT.
Compare CDT time with BTT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 12 hours behind Bhutan Time
6:00 am06:00 in CST is 6:00 pm18:00 in BTT
CST to BTT call time
Best time for a conference call or a meeting is between 7am-8am in CST which corresponds to 7pm-8pm in BTT
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
6:00 pm18:00 Bhutan Time (BTT). Offset UTC +6:00 hours
6:00 am06:00 CST / 6:00 pm18:00 BTT
| CST | BTT |
|---|---|
| 12am (midnight) | 12pm (noon) |
| 1am | 1pm |
| 2am | 2pm |
| 3am | 3pm |
| 4am | 4pm |
| 5am | 5pm |
| 6am | 6pm |
| 7am | 7pm |
| 8am | 8pm |
| 9am | 9pm |
| 10am | 10pm |
| 11am | 11pm |
| 12pm (noon) | 12am (midnight) |
| 1pm | 1am |
| 2pm | 2am |
| 3pm | 3am |
| 4pm | 4am |
| 5pm | 5am |
| 6pm | 6am |
| 7pm | 7am |
| 8pm | 8am |
| 9pm | 9am |
| 10pm | 10am |
| 11pm | 11am |
| 00:00 | 12:00 |
| 01:00 | 13:00 |
| 02:00 | 14:00 |
| 03:00 | 15:00 |
| 04:00 | 16:00 |
| 05:00 | 17:00 |
| 06:00 | 18:00 |
| 07:00 | 19:00 |
| 08:00 | 20:00 |
| 09:00 | 21:00 |
| 10:00 | 22:00 |
| 11:00 | 23:00 |
| 12:00 | 00:00 |
| 13:00 | 01:00 |
| 14:00 | 02:00 |
| 15:00 | 03:00 |
| 16:00 | 04:00 |
| 17:00 | 05:00 |
| 18:00 | 06:00 |
| 19:00 | 07:00 |
| 20:00 | 08:00 |
| 21:00 | 09:00 |
| 22:00 | 10:00 |
| 23:00 | 11:00 |
Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America
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, Ciudad Juarez, Dallas.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro

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).
End: Central Daylight Time (CDT) ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November
Start: Central Daylight Time (CDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually on the second Sunday of March
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 an offset of five hours 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
Bhutan Time
Offset: BTT is 6 hours ahead Greenwich Mean Time (GMT) and is used in Asia
Countries using this time zone: Bhutan
Principal Cities: The largest city in the BTT time zone is Thimphu in Bhutan, with about 98,676 people. Other major cities in this time zone include Phuntsholing, Tsirang, Punakha.
Daylight Saving: Clocks in Bhutan Time (BTT) do not change for daylight saving time, so BTT stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter.

BTT 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 east of the zero meridian.
- Foxtrot - Military abbreviation for BTT
- F - short form of 'Foxtrot'
- ALMT - Alma-Ata Time
- 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
- QYZT - Qyzylorda Time
- XJT - Xinjiang Time
- YEKST - Yekaterinburg Summer Time
