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AKDT
Alaska Daylight Time
GMT -8
12am
3am
6am
9am
12pm
3pm
6pm
9pm
MART
Marquesas Time
GMT -9:30
12am
3am
6am
9am
12pm
3pm
6pm
9pm

Quick answers

Selected conversion

4:00 am04:00 AKDT (UTC-8), Oct 9, 2026 = 2:30 am02:30 MART (UTC-9:30), Oct 9, 2026

AKDT is 1 hour and 30 minutes ahead of MART.

AKDT and MART examples

These examples always use AKDT (UTC-8) and MART (UTC-9:30). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.

AKDT is 1 hour and 30 minutes ahead of MART.

How the time difference changes

For most of the year, AKDT is 1 hour and 30 minutes ahead of MART. At other times of the year, AKST is 30 minutes ahead of MART.

For most of the year, working hours of 9:00 am to 5:00 pm in AKDT correspond to 7:30 am to 3:30 pm in MART. At other times of the year, working hours of 9:00 am to 5:00 pm in AKST correspond to 8:30 am to 4:30 pm in MART.For most of the year, working hours of 09:00 to 17:00 in AKDT correspond to 07:30 to 15:30 in MART. At other times of the year, working hours of 09:00 to 17:00 in AKST correspond to 08:30 to 16:30 in MART.

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

Time Difference

Alaska Daylight Time is 1 hour and 30 minutes ahead of Marquesas Time.
4:00 am04:00 in AKDT is 2:30 am02:30 in MART

AKDT to MART call time
Best time for a conference call or a meeting is between 10:30am-5pm10:30-17:00 in AKDT which corresponds to 9am-3:30pm09:00-15:30 in MART

4:00 am04:00 Alaska Daylight Time (AKDT). Offset UTC -8:00 hours
2:30 am02:30 Marquesas Time (MART). Offset UTC -9:30 hours

4:00 am04:00 AKDT / 2:30 am02:30 MART

AKDTMART
12:00am10:30pm
1:00am11:30pm
2:00am12:30am
3:00am1:30am
4:00am2:30am
5:00am3:30am
6:00am4:30am
7:00am5:30am
8:00am6:30am
9:00am7:30am
10:00am8:30am
11:00am9:30am
12:00pm10:30am
1:00pm11:30am
2:00pm12:30pm
3:00pm1:30pm
4:00pm2:30pm
5:00pm3:30pm
6:00pm4:30pm
7:00pm5:30pm
8:00pm6:30pm
9:00pm7:30pm
10:00pm8:30pm
11:00pm9:30pm
00:0022:30
01:0023:30
02:0000:30
03:0001:30
04:0002:30
05:0003:30
06:0004:30
07:0005:30
08:0006:30
09:0007:30
10:0008:30
11:0009:30
12:0010:30
13:0011:30
14:0012:30
15:0013:30
16:0014:30
17:0015:30
18:0016:30
19:0017:30
20:0018:30
21:0019:30
22:0020:30
23:0021:30

Alaska Daylight Time

Offset: AKDT is 8 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 AKDT 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.

AKDT Time Zone Geo Map
AKDT timezone map

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

Daylight saving time clock moves forward for one hourStart: Alaska Daylight Time (AKDT) 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: Alaska Daylight Time (AKDT) 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.

AKDT 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 an offset of eight hours to the west of the zero meridian.
Military/NATO: Used by the U.S. military, Chinese military and others
  • Uniform - Military abbreviation for AKDT
  • U - short form of 'Uniform'
IANA/Olson: Reflects AKDT 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 -8 offset:
  • AKDT - Alaska Daylight Time
  • PST - Pacific Standard Time
  • PT - Pacific Time
  • PST - Pitcairn Standard Time
  • U - Uniform Time Zone

Marquesas Time

Offset: MART is 9 hours and 30 minutes behind Greenwich Mean Time (GMT) and is used in Pacific

Countries using this time zone: French Polynesia

Daylight Saving: Clocks in Marquesas Time (MART) do not change for daylight saving time, so MART stays the same throughout the year. Other time zones may set clocks forward in summer and back in winter; see upcoming clock changes worldwide.

MART Time Zone Geo Map
MART timezone map

MART representations, usage and related time zones

W3C/ISO-8601: International standard covering representation and exchange of dates and time-related data
  • -0930 - basic
  • -09:30 - extended
Email/RFC-2822: Internet Message Format Date Standard, typically used for timestamps in email headers
  • -0930 - sign character (-) followed by a four digit time providing hours (09) and minutes (30) of the offset. Indicates an offset of nine hours and thirty minutes to the west of the zero meridian.