CDT

Central Daylight Time

GMT -5

Fri, May 6

12am

3am

6am

9am

12pm

3pm

6pm

9pm

Use this CDT Converter page to check current local time, UTC and GMT offset, daylight saving details, related time zones, and popular time converter links.

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 2.696 million people. Other major cities in this time zone include Houston, Ciudad Juarez, San Antonio, Dallas.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map — CDT timezone map

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).

Start: Central Daylight Time (CDT) started on Sunday, March 13, 2022 at 2:00 am local time and clocks were set one hour forward to Sunday, March 13, 2022, 3:00 am. Daylight saving starts annually on the second Sunday of March

End: Central Daylight Time (CDT) ends on Sunday, November 6, 2022 at 2:00 am local time and clocks are set one hour back to Sunday, November 6, 2022, 1:00 am local standard time instead. Daylight saving ends annually on the first Sunday of November

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