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NST to CDT Caribbean

NST
Newfoundland Standard Time
GMT -3
CST/CDT
Cuba Standard Time
GMT -5
CDT automatically adjusted to CST time zone, that is in use

Time Difference

Newfoundland Standard Time is 1 hour and 30 minutes ahead of Cuba Standard Time
6:30 am06:30 in NST is 5:00 am05:00 in CST

NST to CDT call time
Best time for a conference call or a meeting is between 8:30am-6pm in NST which corresponds to 8am-5:30pm in CDT

6:30 am06:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
5:00 am05:00 Cuba Standard Time (CST). Offset UTC -5:00 hours

6:30 am06:30 NST / 5:00 am05:00 CST

NST CST
12am (midnight) 10:30 pm
1am 11:30 pm
2am 12:30 am
3am 1:30 am
4am 2:30 am
5am 3:30 am
6am 4:30 am
7am 5:30 am
8am 6:30 am
9am 7:30 am
10am 8:30 am
11am 9:30 am
12pm (noon) 10:30 am
1pm 11:30 am
2pm 12:30 pm
3pm 1:30 pm
4pm 2:30 pm
5pm 3:30 pm
6pm 4:30 pm
7pm 5:30 pm
8pm 6:30 pm
9pm 7:30 pm
10pm 8:30 pm
11pm 9:30 pm
0:00 22:30
1:00 23:30
2:00 0:30
3:00 1:30
4:00 2:30
5:00 3:30
6:00 4:30
7:00 5:30
8:00 6:30
9:00 7:30
10:00 8:30
11:00 9:30
12:00 10:30
13:00 11:30
14:00 12:30
15:00 13:30
16:00 14:30
17:00 15:30
18:00 16:30
19:00 17:30
20:00 18:30
21:00 19:30
22:00 20:30
23:00 21:30

Newfoundland Standard Time

Offset: NST is 3 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Canada

Principal Cities: The largest city in the NST timezone is St Johns from Canada with population about 99,182 people. Other major cities in the area are Mount Pearl, Corner Brook, Conception Bay South

French: HNT - Heure Normale de Terre-Neuve

NST Time Zone Geo Map
NST timezone map

Daylight Saving: This is a standard timezone, however during summer some places switch clocks for one hour forward when daylight saving comes into effect and observe Newfoundland Daylight Time (NDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Newfoundland Standard Time (NST) started on Sunday, November 3, 2024 at 2:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 1:00 am. Standard time starts annually the on first Sunday of November.

Daylight saving time clock moves forward for one hour from 2am to 3amEnd: Newfoundland Standard Time (NST) ends on Sunday, March 9, 2025 at 2:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 3:00 am local daylight time instead. Standard time starts annually the on second Sunday of March.

NST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0330 - basic
  • -03:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0330 - sign character (-) followed by a four digit time providing hours (03) and minutes (30) of the offset. Indicates three hour and thirty minutes time differences to the west of the zero meridian.
IANA/Olson: Reflects NST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland

Cuba Daylight Time

Offset: CDT is 4 hours behind Greenwich Mean Time (GMT) and is used in Caribbean

Countries: It is used in following countries: Cuba

Principal Cities: The largest city in the CDT timezone is Havana from Cuba with population about 2.164 million people. Other major cities in the area are Santiago de Cuba, Camaguey, Holguin, Guantanamo

Daylight Saving: Cuba Daylight Time (CDT) is a daylight saving/summer time zone, however during winter some places adjust time for one hour back and observe Cuba Standard Time (CST).

Daylight saving time clock moves back for one hour from 1am to 12amEnd: Cuba Daylight Time (CDT) has ended on Sunday, November 3, 2024 at 1:00 am local time and clocks were set one hour back to Sunday, November 3, 2024, 12:00 am local standard time instead. Daylight saving ends annually the on first Sunday of November

Daylight saving time clock moves forward for one hour from 12am to 1amStart: Cuba Daylight Time (CDT) starts on Sunday, March 9, 2025 at 12:00 am local time and clocks are set one hour forward to Sunday, March 9, 2025, 1:00 am. Daylight saving starts annually the on second Sunday of March

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -04 - basic short
  • -0400 - basic
  • -04:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0400 - sign character (-) followed by a four digit time providing hours (04) and minutes (00) of the offset. Indicates four hour and zero minutes time differences to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Quebec - Military abbreviation for CDT
  • Q - short form of 'Quebec'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Havana
  • Cuba
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -4 offset:
  • AST - Atlantic Standard Time
  • EDT - Eastern Daylight Time
  • AMT - Amazon Time
  • BOT - Bolivia Time
  • CDT - Cuba Daylight Time
  • CLT - Chile Standard Time
  • FKT - Falkland Island Time
  • GYT - Guyana Time
  • HLV - Hora Legal de Venezuela
  • PYT - Paraguay Time
  • Q - Quebec Time Zone
  • VET - Venezuelan Standard Time
EST to IST GMT to EST PST to EST EST to GMT PST to GMT