CDT to HAT Converter
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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.
CDT and HAT examples
These examples always use CDT (UTC-5) 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.
CDT is 2 hours and 30 minutes behind 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 CDT 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 |
|---|---|
| 2:30am | |
| 3:30am | |
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Central Daylight Time
Offset: CDT is 5 hours behind Greenwich Mean Time (GMT).
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, Dallas, Fort Worth.
French: HAC - Heure Avancée du Centre
Spanish: CT - Zona Centro
Today all shaded areas are on CDT.
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 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: Central Daylight Time (CDT) 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.
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
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.