CDT to NST Converter
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
6:00 am06:00 CST (UTC-6), Nov 14, 2026 = 8:30 am08:30 NST (UTC-3:30), Nov 14, 2026
CST is 2 hours and 30 minutes behind NST.
CDT and NST examples
These examples always use CDT (UTC-5) and NST (UTC-3:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
CDT is 1 hour and 30 minutes behind NST.
How the time difference changes
For most of the year, CDT is 2 hours and 30 minutes behind NDT. From Nov 1, 2026 to Mar 14, 2027, and from Nov 7, 2027 to Mar 12, 2028, CST is 2 hours and 30 minutes behind NST. Briefly around clock changes, CDT is 1 hour and 30 minutes behind NST or CST is 3 hours and 30 minutes behind NDT.
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 NDT. At other times of the year, working hours of 9:00 am to 6:00 pm in CST correspond to 11:30 am to 8:30 pm in NST.For most of the year, working hours of 09:00 to 18:00 in CDT correspond to 11:30 to 20:30 in NDT. At other times of the year, working hours of 09:00 to 18:00 in CST correspond to 11:30 to 20:30 in NST.
Compare CDT time with NST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Central Standard Time is 2 hours and 30 minutes behind Newfoundland Standard Time.
6:00 am06:00 in CST is 8:30 am08:30 in NST
CST to NST call time
Best time for a conference call or a meeting is between 9am-3:30pm09:00-15:30 in CST which corresponds to 11:30am-6pm11:30-18:00 in NST.
6:00 am06:00 Central Standard Time (CST). Offset UTC -6:00 hours
8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
6:00 am06:00 CST / 8:30 am08:30 NST
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.
| CST | NST |
|---|---|
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 12:30am next day | |
| 1:30am next day | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 | |
| 00:30 next day | |
| 01:30 next day |
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 the shaded areas are on UTC−6 (Central Standard Time).
Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone, but some places set clocks back one hour during winter and observe Central Standard Time (CST).
End: Central Daylight Time (CDT) ended on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were 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.
Start: Central Daylight Time (CDT) starts on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00. Daylight saving starts annually on the second Sunday of March.
See USA daylight saving time and upcoming clock changes worldwide.
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
Newfoundland Standard Time
Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT).
Countries using this time zone: Canada
Principal Cities: The largest city in the NST 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.
French: HNT - Heure Normale de Terre-Neuve
Today all shaded areas are on NST.
Daylight Saving: This is a standard time zone. During summer, some places set clocks forward one hour for daylight saving time and observe Newfoundland Daylight Time (NDT).
Start: Newfoundland Standard Time (NST) started on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks were set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.
End: Newfoundland Standard Time (NST) ends on Sunday, March 14, 2027 at 2:00 am02:00 local time and clocks are set one hour forward to Sunday, March 14, 2027, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.
See Canada daylight saving time and upcoming clock changes worldwide.
NST representations, usage and related time zones
- -0330 - basic
- -03:30 - extended
- -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates an offset of three hours and thirty minutes to the west of the zero meridian.
- America/St_Johns
- Canada/Newfoundland