CST to HAT 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 15, 2026 = 9:30 am09:30 HAT (UTC-2:30), Oct 15, 2026
CDT is 2 hours and 30 minutes behind HAT.
CST (US winter time, UTC-6) and HAT examples
These examples always use CST (UTC-6) and HAT (UTC-2:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CST is 3 hours and 30 minutes behind HAT.
CST is US Central winter time (early November to mid-March). The rest of the year Chicago uses CDT (UTC-5), one hour later. For Central Time that follows daylight saving time, use CT to HAT. For daylight-time examples, use CDT to HAT.
How the time difference changes
For most of the year, CDT is 2 hours and 30 minutes behind HAT. From Nov 1, 2026 to Mar 14, 2027, CST is 3 hours and 30 minutes behind HAT.
For most of the year, working hours of 9:00 am to 6:00 pm in CDT correspond to 11:30 am to 8:30 pm in HAT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 12:30 pm to 9:30 pm in HAT.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 11:30 to 20:30 in HAT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 12:30 to 21:30 in HAT.
Compare CST time with HAT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Daylight Time is 2 hours and 30 minutes behind Heure Avancée de Terre-Neuve.
7:00 am07:00 in CDT is 9:30 am09:30 in HAT
CDT to HAT call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in CDT which corresponds to 11:30am-6pm11:30-18:00 in HAT
7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
9:30 am09:30 Heure Avancée de Terre-Neuve (HAT). Offset UTC -2:30 hours
7:00 am07:00 CDT / 9:30 am09:30 HAT
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.
| CDT | HAT |
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Central Standard Time
Offset: CST is 6 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, 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.
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
Heure Avancée de Terre-Neuve
Offset: HAT is 2 hours and 30 minutes behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada
Principal Cities: The largest city in the HAT time zone is St. John's in Canada, with about 110,525 people. Other major cities in this time zone include Corner Brook, Grand Falls-Windsor, Gander, Clarenville.
Today all shaded areas are on HAT.
Daylight Saving: Heure Avancée de Terre-Neuve (HAT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Newfoundland Standard Time (NST).
Start: Heure Avancée de Terre-Neuve (HAT) 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.
End: Heure Avancée de Terre-Neuve (HAT) 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.
HAT representations, usage and related time zones
- -0230 - basic
- -02:30 - extended
- -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates an offset of two hours and thirty minutes to the west of the zero meridian.