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

Time Difference

Colombia Standard Time is 1 hours and 30 minutes behind Newfoundland Standard Time
10:00 pm22:00 in CST is 11:30 pm23:30 in NST

CST to NDT call time
Best time for a conference call or a meeting is between 8am-3:30pm in CST which corresponds to 10:30am-6pm in NDT

10:00 pm22:00 Colombia Standard Time (CST). Offset UTC -5:00 hours
11:30 pm23:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours

10:00 pm22:00 CST / 11:30 pm23:30 NST

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

Colombia Standard Time

Offset: CST is 5 hours behind Greenwich Mean Time (GMT) and is used in America

Countries: It is used in following countries: Canada, Cuba, Mexico, United States

Principal Cities: The largest city in the CST timezone is Chicago from USA with population about 2.696 million people. Other major cities in the area are Havana, Houston, Ciudad Juarez, San Antonio

CST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates five 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
  • Romeo - Military abbreviation for CST
  • R - short form of 'Romeo'
IANA/Olson: Reflects CST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Havana
  • Cuba
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
  • Colombia Standard Time - UTC -5
Time zones with the GMT -5 offset:
  • 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 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

French: HAT - Heure Avancée de Terre-Neuve

NDT Time Zone Geo Map
NDT timezone map

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

Daylight saving time clock moves back for one hour from 2am to 1amEnd: Newfoundland Daylight Time (NDT) has ended on Sunday, November 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 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 2am to 3amStart: Newfoundland Daylight Time (NDT) starts on Sunday, March 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am. Daylight saving starts annually the on second Sunday of March

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