HADT
Hawaii-Aleutian Daylight Time
GMT -9
MART
Marquesas Time
GMT -9

Time Difference

Hawaii-Aleutian Daylight Time is 0 hours and 30 minutes ahead of Marquesas Time
7:30 am07:30 in HADT is 7:00 am07:00 in MART

HADT to MART call time
Best time for a conference call or a meeting is between 8:30am-6pm in HADT which corresponds to 8am-5:30pm in MART

7:30 am07:30 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
7:00 am07:00 Marquesas Time (MART). Offset UTC -9:30 hours

7:30 am07:30 HADT / 7:00 am07:00 MART

HADT MART
12am (midnight) 11:30 pm
1am 12:30 am
2am 1:30 am
3am 2:30 am
4am 3:30 am
5am 4:30 am
6am 5:30 am
7am 6:30 am
8am 7:30 am
9am 8:30 am
10am 9:30 am
11am 10:30 am
12pm (noon) 11:30 am
1pm 12:30 pm
2pm 1:30 pm
3pm 2:30 pm
4pm 3:30 pm
5pm 4:30 pm
6pm 5:30 pm
7pm 6:30 pm
8pm 7:30 pm
9pm 8:30 pm
10pm 9:30 pm
11pm 10:30 pm
0:00 23:30
1:00 0:30
2:00 1:30
3:00 2:30
4:00 3:30
5:00 4:30
6:00 5:30
7:00 6:30
8:00 7:30
9:00 8:30
10:00 9:30
11:00 10:30
12:00 11:30
13:00 12:30
14:00 13:30
15:00 14:30
16:00 15:30
17:00 16:30
18:00 17:30
19:00 18:30
20:00 19:30
21:00 20:30
22:00 21:30
23:00 22:30

Hawaii-Aleutian Daylight Time

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

HADT 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 nine 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
  • Victor - Military abbreviation for HADT
  • V - short form of 'Victor'
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

Marquesas Time

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

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 nine hour and thirty minutes time differences to the west of the zero meridian.