CHAST
Chatham Island Standard Time
GMT +12:45
CST
Central Standard Time
GMT -6

Time Difference

Chatham Island Standard Time is 18 hours and 45 minutes ahead of Central Standard Time
10:30 pm22:30 in CHAST is 3:45 am03:45 in CST

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

10:30 pm22:30 Chatham Island Standard Time (CHAST). Offset UTC +12:45 hours
3:45 am03:45 Central Standard Time (CST). Offset UTC -6:00 hours

10:30 pm22:30 CHAST / 3:45 am03:45 CST

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

Chatham Island Standard Time

Offset: CHAST is 12 hours and 45 minutes ahead Greenwich Mean Time (GMT) and is used in Pacific

CHAST Time Zone Geo Map
CHAST timezone map

CHAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +1245 - basic
  • +12:45 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +1245 - sign character (+) followed by a four digit time providing hours (12) and minutes (45) of the offset. Indicates twelve hour and forty-five minutes time differences to the east of the zero meridian.

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

French: HNC - Heure Normale du Centre

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

CST Time Zone Geo Map
CST 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 Central Daylight Time (CDT).

Daylight saving time clock moves back for one hour from 2am to 1amStart: Central Standard Time (CST) started on Sunday, November 7, 2021 at 2:00 am local time and clocks were set one hour back to Sunday, November 7, 2021, 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: Central Standard Time (CST) ends on Sunday, March 13, 2022 at 2:00 am local time and clocks are set one hour forward to Sunday, March 13, 2022, 3:00 am local daylight time instead. Standard time starts annually the on second Sunday of March.

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
  • Colombia 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