CDT/CST
Central Daylight Time
GMT -5
CST automatically adjusted to CDT time zone, that is in use
CHAST
Chatham Island Standard Time
GMT +12:45

Time Difference

Central Daylight Time is 17 hours and 45 minutes behind of Chatham Island Standard Time
7:00 am07:00 in CDT is 12:45 am00:45 in CHAST

CST to CHAST call time
Best time for a conference call or a meeting is between 3:30am-5:30am in CST which corresponds to 10:15pm-12:15pm in CHAST

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
12:45 am00:45 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours

7:00 am07:00 CDT / 12:45 am00:45 CHAST

CDT CHAST
12am (midnight) 5:45 pm
1am 6:45 pm
2am 7:45 pm
3am 8:45 pm
4am 9:45 pm
5am 10:45 pm
6am 11:45 pm
7am 12:45 am
8am 1:45 am
9am 2:45 am
10am 3:45 am
11am 4:45 am
12pm (noon) 5:45 am
1pm 6:45 am
2pm 7:45 am
3pm 8:45 am
4pm 9:45 am
5pm 10:45 am
6pm 11:45 am
7pm 12:45 pm
8pm 1:45 pm
9pm 2:45 pm
10pm 3:45 pm
11pm 4:45 pm
0:00 17:45
1:00 18:45
2:00 19:45
3:00 20:45
4:00 21:45
5:00 22:45
6:00 23:45
7:00 0:45
8:00 1:45
9:00 2:45
10:00 3:45
11:00 4:45
12:00 5:45
13:00 6:45
14:00 7:45
15:00 8:45
16:00 9:45
17:00 10:45
18:00 11:45
19:00 12:45
20:00 13:45
21:00 14:45
22:00 15:45
23:00 16:45

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 adjust time for one hour forward for daylight saving and observe Central Daylight Time (CDT).

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

Start: CST starts and clocks are set one hour back on Sunday, 07 November 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 -