CT to CST Converter
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.
Mexico City and Saskatchewan stay on CST (UTC−6).
Start by searching for a time zone, city, or town.
Add one or more places to compare local times, adjust the date, and share the result.
Quick answers
Selected conversion
7:00 am07:00 CDT (UTC-5), Oct 18, 2026 = 7:00 am07:00 CDT (UTC-5), Oct 18, 2026
CDT and CDT have the same local time.
How the time difference changes
For most of the year, CT and CDT have the same time. From Nov 1, 2026 to Mar 14, 2027, CT and CST have the same time.
For most of the year, working hours of 9:00 am to 6:00 pm in CT correspond to 9:00 am to 6:00 pm in CDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CT correspond to 9:00 am to 6:00 pm in CST.For most of the year, working hours of 09:00 to 18:00 in CT correspond to 09:00 to 18:00 in CDT. At other times of the year, working hours of 09:00 to 18:00 in CT correspond to 09:00 to 18:00 in CST.
Compare CT time with CST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time and Central Daylight Time have the same local time.
7:00 am07:00 in CDT is 7:00 am07:00 in CDT
CDT to CDT call time
Best time for a conference call or a meeting is between 9am-6pm09:00-18:00 in CDT which corresponds to 9am-6pm09:00-18:00 in CDT
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
7:00 am07:00 CDT / 7:00 am07:00 CDT
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.
| CT | CDT |
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Central Time
Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.
Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CT time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−6 (Central Standard Time, MDT).
CT 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 west of the zero meridian.
- Sierra - Military abbreviation for CT
- S - short form of 'Sierra'
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone
Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, El Salvador, Guatemala, Honduras, Mexico, Nicaragua, United States
Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Puebla, Santiago de Querétaro.
French: HNC - Heure Normale du Centre
Spanish: CT - Tiempo Central Estándar, CT - Zona Centro
Today the lighter areas are on UTC−5 (Central Daylight Time).
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Central Daylight Time (CDT).
End: Central Standard Time (CST) ended 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 local daylight time instead. Standard time ends annually on the second Sunday of March.
Start: Central Standard Time (CST) starts 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. Standard time starts annually on the first Sunday of November.
See USA daylight saving time and upcoming clock changes worldwide.
CST 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 west of the zero meridian.
- Sierra - Military abbreviation for CST
- S - short form of 'Sierra'
- America/Bahia_Banderas
- America/Belize
- America/Chicago
- America/Chihuahua
- America/Costa_Rica
- America/El_Salvador
- America/Guatemala
- America/Indiana/Knox
- America/Indiana/Tell_City
- America/Knox_IN
- America/Managua
- America/Matamoros
- America/Menominee
- America/Merida
- America/Mexico_City
- America/Monterrey
- America/North_Dakota/Beulah
- America/North_Dakota/Center
- America/North_Dakota/New_Salem
- America/Ojinaga
- America/Rainy_River
- America/Rankin_Inlet
- America/Regina
- America/Resolute
- America/Swift_Current
- America/Tegucigalpa
- America/Winnipeg
- CST6CDT
- Canada/Central
- Canada/Saskatchewan
- Mexico/General
- US/Central
- US/Indiana-Starke
- Central Standard Time - UTC -6
- China Standard Time - UTC +8
- Cuba Standard Time - UTC -5
- CST - Central Standard Time
- CT - Central Time
- MDT - Mountain Daylight Time
- EAST - Easter Island Standard Time
- GALT - Galapagos Time
- S - Sierra Time Zone