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CDT to AKST Converter

Updating current time…
CDT
Central Daylight Time
GMT -5
12am
3am
6am
9am
12pm
3pm
6pm
9pm
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 8, 2026 = 4:00 am04:00 AKDT (UTC-8), Oct 8, 2026

CDT is 3 hours ahead of AKDT.

CDT and AKST examples

These examples always use CDT (UTC-5) 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.

CDT is 4 hours ahead of 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 CDT 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 Daylight Time

Offset: CDT is 5 hours behind Greenwich Mean Time (GMT) and is used in North America

Countries using this time zone: Canada, Mexico, United States

Principal Cities: The largest city in the CDT time zone is Chicago in the United States, with about 2.664 million people. Other major cities in this time zone include Houston, San Antonio, Ciudad Juarez, Dallas.

French: HAC - Heure Avancée du Centre

Spanish: CT - Zona Centro

CDT Time Zone Geo Map
CDT timezone map

Daylight Saving: Central Daylight Time (CDT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Central Standard Time (CST).

Daylight saving time clock moves forward for one hourStart: Central Daylight Time (CDT) started 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. Daylight saving starts annually on the second Sunday of March.

Daylight saving time clock moves back for one hourEnd: Central Daylight Time (CDT) ends 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 local standard time instead. Daylight saving ends annually on the first Sunday of November.

See upcoming clock changes worldwide.

CDT representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -05 - basic short
  • -0500 - basic
  • -05:00 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0500 - sign character (-) followed by a four digit time providing hours (05) and minutes (00) of the offset. Indicates an offset of five hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Romeo - Military abbreviation for CDT
  • R - short form of 'Romeo'
IANA/Olson: Reflects CDT time zone boundaries defined by political bodies, primarily intended for use with computer programs and operating systems
  • America/Chicago
  • America/Indiana/Knox
  • America/Indiana/Tell_City
  • America/Knox_IN
  • America/Matamoros
  • America/Menominee
  • America/North_Dakota/Beulah
  • America/North_Dakota/Center
  • America/North_Dakota/New_Salem
  • America/Ojinaga
  • America/Rainy_River
  • America/Rankin_Inlet
  • America/Resolute
  • America/Winnipeg
  • CST6CDT
  • Canada/Central
  • US/Central
  • US/Indiana-Starke
CDT Abbreviation: Several time zones share CDT abbreviation and it could refer to these time zones
  • Central Daylight Time - UTC -5
  • Cuba Daylight Time - UTC -4
Time zones with the GMT -5 offset:
  • CDT - Central Daylight Time
  • EST - Eastern Standard Time
  • ET - Eastern Time
  • COT - Colombia Time
  • CST - Cuba Standard Time
  • EASST - Easter Island Summer Time
  • ECT - Ecuador Time
  • PET - Peru Time
  • R - Romeo 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