CT/CDT
Central Time
GMT -5
CAST
Casey Time
GMT +8

Time Difference

Central Daylight Time is 13 hours behind Casey Time
10:00 pm22:00 in CDT is 11:00 am11:00 in CAST

CT to CAST call time
Best time for a conference call or a meeting is between 6am-8am in CT which corresponds to 8pm-10pm in CAST

10:00 pm22:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
11:00 am11:00 Casey Time (CAST). Offset UTC +8:00 hours

10:00 pm22:00 CDT / 11:00 am11:00 CAST

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

Central Time

Central Time (PT) 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: 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

Central Time (PT) 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: 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

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 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 CT
  • S - short form of 'Sierra'
CT Abbreviation: Several time zones share CT abbreviation and it could refer to these time zones
  • Central Time - UTC -6
  • Chuuk Time - UTC +10
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

Casey Time

Offset: CAST is 8 hours ahead Greenwich Mean Time (GMT) and is used in Antarctica

CAST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • +08 - basic short
  • +0800 - basic
  • +08:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • +0800 - sign character (+) followed by a four digit time providing hours (08) and minutes (00) of the offset. Indicates eight hour and zero minutes time differences to the east of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Hotel - Military abbreviation for CAST
  • H - short form of 'Hotel'
Time zones with the GMT +8 offset:
  • ACT - ASEAN Common Time
  • AWST - Australian Western Standard Time
  • BNT - Brunei Darussalam Time
  • CAST - Casey Time
  • CHOT - Choibalsan Time
  • CST - China Standard Time
  • H - Hotel Time Zone
  • HKT - Hong Kong Time
  • HOVST - Hovd Summer Time
  • IRKT - Irkutsk Time
  • KRAST - Krasnoyarsk Summer Time
  • MYT - Malaysia Time
  • PHT - Philippine Time
  • SGT - Singapore Time
  • ULAT - Ulaanbaatar Time
  • WITA - Central Indonesian Time