NST/NDT
Newfoundland Standard Time
GMT -3
NDT automatically adjusted to NST time zone, that is in use
CST
Central Standard Time
GMT -6

Time Difference

Newfoundland Standard Time is 2 hours and 30 minutes ahead of Central Standard Time
6:00 am06:00 in NST is 3:30 am03:30 in CST

NDT to CST call time
Best time for a conference call or a meeting is between 11:30am-6pm in NDT which corresponds to 8am-2:30pm in CST

6:00 am06:00 Newfoundland Standard Time (NST). Offset UTC -3:30 hours
3:30 am03:30 Central Standard Time (CST). Offset UTC -6:00 hours

6:00 am06:00 NST / 3:30 am03:30 CST

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

Newfoundland Daylight Time

Offset: NDT is 2 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 NDT 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

Daylight Saving: Newfoundland Daylight Time (NDT) is a daylight saving/summer timezone, however during winter some places adjust time for one hour back and observe Newfoundland Standard Time (NST).

End: NDT ended and clocks were set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

Start: NDT starts and clocks are set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.

French: HAT - Heure Avancée de Terre-Neuve

NDT Time Zone Geo Map
NDT timezone map

NDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0230 - basic
  • -02:30 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0230 - sign character (-) followed by a four digit time providing hours (02) and minutes (30) of the offset. Indicates two hour and thirty minutes time differences to the west of the zero meridian.

IANA/Olson: Reflects NDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/St_Johns
  • Canada/Newfoundland


Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries: It is used in following countries: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States

Principal Cities: The largest city in the CST timezone is Mexico City from Mexico with population about 12.294 million people. Other major cities in the area are Chicago, Houston, Iztapalapa, Ecatepec

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 Central Daylight Time (CDT).

Start: CST started and clocks were set one hour back on Sunday, 01 November 2020, at 2:00 (2:00 am) local time.

End: CST ends and clocks are set one hour forward on Sunday, 14 March 2021, at 2:00 (2:00 am) local time.

French: HNC - Heure Normale du Centre

Spanish: CT - Tiempo Central Estándar, CT - Zona Centro

CST Time Zone Geo Map
CST timezone map

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -06 - basic short
  • -0600 - basic
  • -06:00 - extended

Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0600 - sign character (-) followed by a four digit time providing hours (06) and minutes (00) of the offset. Indicates six 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
  • Sierra - Military abbreviation for CST
  • S - short form of 'Sierra'

IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Bahia_Banderas
  • America/Belize
  • America/Chicago
  • 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/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

CST Abbreviation: Several time zones share CST abbreviation and it could refer to these time zones

  • Central Standard Time - UTC -6
  • China Standard Time - UTC +8
  • Cuba Standard Time - UTC -5

Time zones with the GMT -6 offset:

  • CST - Central Standard Time
  • CT - Central Time
  • MDT - Mountain Daylight Time
  • EAST - Easter Island Standard Time
  • GALT - Galapagos Time
  • S - Sierra Time Zone
  • -06 -