Time zone offset: UTC - 5 hours
CDT is 5 hours behind of Coordinated Universal Time (UTC)
Note that CDT is a daylight saving time/summer time zone. It is generally only used during the summer in the places listed below, during the winter CST is used instead.
Time zone abbreviations: CDT, HAC
Full name is Central Daylight Time
HAC – Heure Avancée du Centre (French)
Email time zone indicator: -0500
An email sent from someone in the CDT time zone will have the time zone listed as "-0500" in the headers of the email. (However, "-0500" does not have to be in CDT, as other time zones could have the same UTC offset).
Where and when is CDT observed?
CDT is used during summer in these Canadian provinces (CST during winter)
* Manitoba
* Nunavut - Kugluktuk, Cambridge Bay only (Other parts use EST/EDT or EST only)
* Ontario - most parts west of 90 West. (Parts east of 90 West is on EST/EDT)
* Saskatchewan - only Creighton and Denare Beach
CDT is used during summer in these Mexican states (CST during winter)
* Aguascalientes
* Campeche
* Chiapas
* Coahuila
* Colima
* Distrito Federal
* Durango
* Guanajuato
* Guerro
* Hidalgo
* Jalisco
* León
* Michoacán
* Morelos
* México
* Nuevo León
* Oaxaca
* Puebla
* Querétaro
* Quintana Roo
* San Luis Potosí
* Tabasco
* Tamaulipas
* Tlaxcala
* Veracruz
* Yucatán
* Zacatecas
Example locations in CDT
* Chicago - during summer
* Mexico City - during summer
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