MART to HADT Converter
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Quick answers
Selected conversion
2:30 am02:30 MART (UTC-9:30), Oct 17, 2026 = 3:00 am03:00 HADT (UTC-9), Oct 17, 2026
MART is 30 minutes behind HADT.
MART and HADT examples
These examples always use MART (UTC-9:30) and HADT (UTC-9). They stay the same when you change the date or time above. The selected conversion may differ when daylight saving time applies.
MART is 30 minutes behind HADT.
How the time difference changes
For most of the year, MART is 30 minutes behind HADT. From Nov 1, 2026 to Mar 14, 2027, MART is 30 minutes ahead of HST.
For most of the year, working hours of 9:00 am to 6:00 pm in MART correspond to 9:30 am to 6:30 pm in HADT. At other times of the year, working hours of 9:00 am to 6:00 pm in MART correspond to 8:30 am to 5:30 pm in HST.For most of the year, working hours of 09:00 to 18:00 in MART correspond to 09:30 to 18:30 in HADT. At other times of the year, working hours of 09:00 to 18:00 in MART correspond to 08:30 to 17:30 in HST.
Compare MART time with HADT time, including current local time, UTC offsets, time difference, daylight saving changes, working hours, and shareable meeting times.
Time Difference
Marquesas Time is 30 minutes behind Hawaii-Aleutian Daylight Time.
2:30 am02:30 in MART is 3:00 am03:00 in HADT
MART to HADT call time
Best time for a conference call or a meeting is between 9am-5:30pm09:00-17:30 in MART which corresponds to 9:30am-6pm09:30-18:00 in HADT
2:30 am02:30 Marquesas Time (MART). Offset UTC -9:30 hours
3:00 am03:00 Hawaii-Aleutian Daylight Time (HADT). Offset UTC -9:00 hours
2:30 am02:30 MART / 3:00 am03:00 HADT
Choose an hour to update the converter. Day labels such as “next day” or “+1” are relative to the selected date in the first column. Use Up and Down arrow keys, Home or End to move between hours, then Enter or Space to select.
| MART | HADT |
|---|---|
| 12:30am | |
| 1:30am | |
| 2:30am | |
| 3:30am | |
| 4:30am | |
| 5:30am | |
| 6:30am | |
| 7:30am | |
| 8:30am | |
| 9:30am | |
| 10:30am | |
| 11:30am | |
| 12:30pm | |
| 1:30pm | |
| 2:30pm | |
| 3:30pm | |
| 4:30pm | |
| 5:30pm | |
| 6:30pm | |
| 7:30pm | |
| 8:30pm | |
| 9:30pm | |
| 10:30pm | |
| 11:30pm | |
| 00:30 | |
| 01:30 | |
| 02:30 | |
| 03:30 | |
| 04:30 | |
| 05:30 | |
| 06:30 | |
| 07:30 | |
| 08:30 | |
| 09:30 | |
| 10:30 | |
| 11:30 | |
| 12:30 | |
| 13:30 | |
| 14:30 | |
| 15:30 | |
| 16:30 | |
| 17:30 | |
| 18:30 | |
| 19:30 | |
| 20:30 | |
| 21:30 | |
| 22:30 | |
| 23:30 |
Marquesas Time
Offset: MART is 9 hours and 30 minutes behind Greenwich Mean Time (GMT).
Countries using this time zone: French Polynesia
Principal Cities: The largest city in the MART time zone is Atuona in French Polynesia, with about 1,762 people. Other major cities in this time zone include Taiohae.
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 representations, usage and related time zones
- -0930 - basic
- -09:30 - extended
- -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.
Hawaii-Aleutian Daylight Time
Offset: HADT is 9 hours behind Greenwich Mean Time (GMT).
Countries using this time zone: United States
Today all shaded areas are on HADT.
Daylight Saving: Hawaii-Aleutian Daylight Time (HADT) is a daylight saving/summer time zone. During winter, some places set clocks back one hour and observe Hawaii-Aleutian Standard Time (HAST).
Start: Hawaii-Aleutian Daylight Time (HADT) 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.
End: Hawaii-Aleutian Daylight Time (HADT) 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 USA daylight saving time and upcoming clock changes worldwide.
HADT representations, usage and related time zones
- -09 - basic short
- -0900 - basic
- -09:00 - extended
- -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.
- Victor - Military abbreviation for HADT
- V - short form of 'Victor'
- 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