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CST to AKST Converter

Updating current time…
CDT/CST
Central Daylight Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Central Time is on daylight saving time: CDT (UTC−5) until Sun, Nov 1.

Mexico City and Saskatchewan stay on CST (UTC−6).

Chicago · CDT (UTC−5)Mexico City, Saskatchewan · CST all year (UTC−6)
AKDT/AKST
Alaska Daylight Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
Alaska Time is on daylight saving time: AKDT (UTC−8) until Sun, Nov 1.
Use AKST all year (UTC−9)

Quick answers

Selected conversion

7:00 am07:00 CDT (UTC-5), Oct 7, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 7, 2026

CDT is 3 hours ahead of AKDT.

CST and AKST examples

These examples always use CST (UTC-6) and AKST (UTC-9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

CST is 3 hours ahead of AKST.

CST uses UTC-6 during standard time. For Central Time that follows daylight saving time, use CT to AKST. For daylight-time examples, use CDT to AKST.

How the time difference changes

For most of the year, CDT is 3 hours ahead of AKDT. At other times of the year, CST is 3 hours ahead of AKST. Briefly around clock changes, CDT is 4 hours ahead of AKST or CST is 2 hours ahead of AKDT.

For most of the year, working hours of 9:00 am to 5:00 pm in CDT correspond to 6:00 am to 2:00 pm in AKDT. At other times of the year, working hours of 9:00 am to 5:00 pm in CST correspond to 6:00 am to 2:00 pm in AKST.For most of the year, working hours of 09:00 to 17:00 in CDT correspond to 06:00 to 14:00 in AKDT. At other times of the year, working hours of 09:00 to 17:00 in CST correspond to 06:00 to 14:00 in AKST.

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

Time Difference

Central Daylight Time is 3 hours ahead of Alaska Daylight Time.
7:00 am07:00 in CDT is 4:00 am04:00 in AKDT

CDT to AKDT call time
Best time for a conference call or a meeting is between 12pm-5pm12:00-17:00 in CDT which corresponds to 9am-2pm09:00-14:00 in AKDT

7:00 am07:00 Central Daylight Time (CDT). Offset UTC -5:00 hours
4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours

7:00 am07:00 CDT / 4:00 am04:00 AKDT

CDTAKDT
12:00am9:00pm
1:00am10:00pm
2:00am11:00pm
3:00am12:00am
4:00am1:00am
5:00am2:00am
6:00am3:00am
7:00am4:00am
8:00am5:00am
9:00am6:00am
10:00am7:00am
11:00am8:00am
12:00pm9:00am
1:00pm10:00am
2:00pm11:00am
3:00pm12:00pm
4:00pm1:00pm
5:00pm2:00pm
6:00pm3:00pm
7:00pm4:00pm
8:00pm5:00pm
9:00pm6:00pm
10:00pm7:00pm
11:00pm8:00pm
00:0021:00
01:0022:00
02:0023:00
03:0000:00
04:0001:00
05:0002:00
06:0003:00
07:0004:00
08:0005:00
09:0006:00
10:0007:00
11:0008:00
12:0009:00
13:0010:00
14:0011:00
15:0012:00
16:0013:00
17:0014:00
18:0015:00
19:0016:00
20:0017:00
21:0018:00
22:0019:00
23:0020:00

Central Standard Time

Offset: CST is 6 hours behind Greenwich Mean Time (GMT) and is used in North America

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

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

Daylight saving time clock moves forward for one hourEnd: Central Standard Time (CST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

Daylight saving time clock moves back for one hourStart: Central Standard Time (CST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See upcoming clock changes worldwide.

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 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 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/Chihuahua
  • 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/Ojinaga
  • 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

Alaska Standard Time

Offset: AKST is 9 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: United States

Principal Cities: The largest city in the AKST time zone is Anchorage in the United States, with about 289,600 people. Other major cities in this time zone include Fairbanks, Juneau, Eagle River, Badger.

AKST Time Zone Geo Map
AKST 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 Alaska Daylight Time (AKDT).

Daylight saving time clock moves forward for one hourEnd: Alaska Standard Time (AKST) ended on Sunday, March 8, 2026 at 2:00 am02:00 local time and clocks were set one hour forward to Sunday, March 8, 2026, 3:00 am03:00 local daylight time instead. Standard time ends annually on the second Sunday of March.

Daylight saving time clock moves back for one hourStart: Alaska Standard Time (AKST) starts on Sunday, November 1, 2026 at 2:00 am02:00 local time and clocks are set one hour back to Sunday, November 1, 2026, 1:00 am01:00. Standard time starts annually on the first Sunday of November.

See upcoming clock changes worldwide.

AKST representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -09 - basic short
  • -0900 - basic
  • -09:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0900 - sign character (-) followed by a four digit time providing hours (09) and minutes (00) of the offset. Indicates an offset of nine hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Victor - Military abbreviation for AKST
  • V - short form of 'Victor'
IANA/Olson: Reflects AKST time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Anchorage
  • America/Juneau
  • America/Metlakatla
  • America/Nome
  • America/Sitka
  • America/Yakutat
  • US/Alaska
Time zones with the GMT -9 offset:
  • AKST - Alaska Standard Time
  • AHDT - Alaska-Hawaii Daylight Time
  • HADT - Hawaii-Aleutian Daylight Time
  • GAMT - Gambier Time
  • HDT - Hawaii Daylight Time
  • V - Victor Time Zone
EST to ISTGMT to ESTPST to ESTEST to GMTPST to GMT