NST to CDT Caribbean 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
8:30 am08:30 NST (UTC-3:30), Nov 5, 2026 = 8:00 am08:00 CDT (UTC-4), Nov 5, 2026
NST is 30 minutes ahead of CDT.
NST and CDT examples
These examples always use NST (UTC-3:30) and CDT (UTC-4). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
NST is 30 minutes ahead of CDT.
How the time difference changes
In 2026, NDT is 1 hour and 30 minutes ahead of CDT Caribbean for most of the year. Until Mar 8, 2026, NST is 1 hour and 30 minutes ahead of CST Caribbean. From Nov 1, 2026 to Mar 14, 2027, NST is 30 minutes ahead of CDT Caribbean.
In 2026, working hours of 9:00 am to 6:00 pm in NDT correspond to 7:30 am to 4:30 pm in CDT Caribbean for most of the year. At other times that year, working hours of 9:00 am to 6:00 pm in NST correspond to 7:30 am to 4:30 pm in CST Caribbean or working hours of 9:00 am to 6:00 pm in NST correspond to 8:30 am to 5:30 pm in CDT Caribbean.In 2026, working hours of 09:00 to 18:00 in NDT correspond to 07:30 to 16:30 in CDT Caribbean for most of the year. At other times that year, working hours of 09:00 to 18:00 in NST correspond to 07:30 to 16:30 in CST Caribbean or working hours of 09:00 to 18:00 in NST correspond to 08:30 to 17:30 in CDT Caribbean.
Compare NST time with CDT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Newfoundland Standard Time is 30 minutes ahead of Cuba Daylight Time.
8:30 am08:30 in NST is 8:00 am08:00 in CDT
NST to CDT call time
Best time for a conference call or a meeting is between 9:30am-6pm09:30-18:00 in NST which corresponds to 9am-5:30pm09:00-17:30 in CDT
8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
8:00 am08:00 Cuba Daylight Time (CDT). Offset UTC -4:00 hours
8:30 am08:30 NST / 8:00 am08:00 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.
| NST | CDT |
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| 11:30pm previous day | |
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| 23:30 previous day | |
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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
Cuba Daylight Time
Offset: CDT is 4 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: Cuba
Principal Cities: The largest city in the CDT time zone is Havana in Cuba, with about 2.164 million people. Other major cities in this time zone include Santiago de Cuba, Camagüey, Holguín, Guantánamo.
Today all shaded areas are on CDT.
Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Cuba Standard Time (CST).
Start: Cuba Daylight Time (CDT) started on Sunday, March 8, 2026 at 12:00 am00:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 1:00 am01:00.
End: Cuba Daylight Time (CDT) ends on Sunday, November 7, 2027 at 1:00 am01:00 local time and clocks are set one hour back to Sunday, November 7, 2027, 12:00 am00:00 local standard time instead. Daylight saving ends annually on the first Sunday of November.
See Cuba daylight saving time and upcoming clock changes worldwide.
CDT representations, usage and related time zones
- -04 - basic short
- -0400 - basic
- -04:00 - extended
- -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates an offset of four hours to the west of the zero meridian.
- Quebec - Military abbreviation for CDT
- Q - short form of 'Quebec'
- America/Havana
- Cuba
- Central Daylight Time - UTC -5
- Cuba Daylight Time - UTC -4
- AST - Atlantic Standard Time
- EDT - Eastern Daylight Time
- AMT - Amazon Time
- BOT - Bolivia Time
- CDT - Cuba Daylight Time
- CLT - Chile Standard Time
- GYT - Guyana Time
- HLV - Hora Legal de Venezuela
- Q - Quebec Time Zone
- VET - Venezuelan Standard Time