CT
Central Time
GMT -6
12am
3am
6am
9am
12pm
3pm
6pm
9pm
NST
Newfoundland Standard Time
GMT -3:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Compare CT time with NST time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.

Time Difference

Central Time is 2 hours and 30 minutes behind Newfoundland Standard Time
6:00 am06:00 in CT is 8:30 am08:30 in NST

CT to NST call time
Best time for a conference call or a meeting is between 9am-2:30pm in CT which corresponds to 11:30am-5pm in NST

6:00 am06:00 Central Time (CT). Offset UTC -6:00 hours
8:30 am08:30 Newfoundland Standard Time (NST). Offset UTC -3:30 hours

6:00 am06:00 CT / 8:30 am08:30 NST

CTNST
12am (midnight)2:30 am
1am3:30 am
2am4:30 am
3am5:30 am
4am6:30 am
5am7:30 am
6am8:30 am
7am9:30 am
8am10:30 am
9am11:30 am
10am12:30 pm
11am1:30 pm
12pm (noon)2:30 pm
1pm3:30 pm
2pm4:30 pm
3pm5:30 pm
4pm6:30 pm
5pm7:30 pm
6pm8:30 pm
7pm9:30 pm
8pm10:30 pm
9pm11:30 pm
10pm12:30 am
11pm1:30 am
00:0002:30
01:0003:30
02:0004:30
03:0005:30
04:0006:30
05:0007:30
06:0008:30
07:0009:30
08:0010:30
09:0011:30
10:0012:30
11:0013:30
12:0014:30
13:0015:30
14:0016:30
15:0017:30
16:0018:30
17:0019:30
18:0020:30
19:0021:30
20:0022:30
21:0023:30
22:0000:30
23:0001:30

Central Time

Central Time (CT) is a general term used to describe the areas that observe either the Central Standard Time (CST) or Central Daylight Time (CDT) in the United States and Canada. CT is not static but switches between CDT and CST.

Territories observing the time zone are primarily in North and Central America. It runs through several Mexican and U.S. states, as well as several Canadian provinces and Central American countries.

Countries using this time zone: Belize, Canada, Costa Rica, Guatemala, Honduras, Mexico, Nicaragua, El Salvador, United States.

Principal Cities: The largest city in the CST time zone is Mexico City in Mexico, with about 12.294 million people. Other major cities in this time zone include Chicago, Houston, Iztapalapa, Ecatepec.

French: HNC - Heure Normale du Centre

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

CT 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 an offset of six hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Sierra - Military abbreviation for CT
  • S - short form of 'Sierra'
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

Newfoundland Standard Time

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

Countries using this time zone: Canada

Principal Cities: The largest city in the NST time zone is St Johns in Canada, with about 99,182 people. Other major cities in this time zone include 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 time zone. During summer, some places set clocks forward one hour for daylight saving time 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 2, 2025 at 2:00 am local time and clocks were set one hour back to Sunday, November 2, 2025, 1:00 am. Standard time starts annually on the 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 8, 2026 at 2:00 am local time and clocks are set one hour forward to Sunday, March 8, 2026, 3:00 am local daylight time instead. Standard time ends annually on the 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 an offset of three hours and thirty minutes 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